SB2018022002 - Gentoo update for Mozilla Firefox

Description

This security bulletin contains information about 82 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2016-10195)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in name_parse() function in evdns.c within libevent library before 2.1.6-beta. A remote attacker can trigger out-of-bounds read and gain access to sensitive system memory.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

2) Stack-based buffer overflow (CVE-ID: CVE-2016-10196)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in evutil_parse_sockaddr_port() function in evutil.c within libevent library before 2.1.6-beta. A remote attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

3) Out-of-bounds read (CVE-ID: CVE-2016-10197)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in search_make_new() function in evdns.c within libevent library before 2.1.6-beta. A remote attacker can trigger out-of-bounds read and gain access to sensitive system memory.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

4) Heap-based buffer overflow (CVE-ID: CVE-2016-6354)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in yy_get_next_buffer() function in Flex before 2.6.1. A remote attacker can trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

5) Memory corruption (CVE-ID: CVE-2017-5429)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to memory corruption errors. A remote attacker can execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

6) Use-after-free (CVE-ID: CVE-2017-5432)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during certain text input selection. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

7) Use-after-free (CVE-ID: CVE-2017-5433)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error in SMIL animation functions, when pointers to animation elements in an array are dropped from the animation controller while still in use. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

8) Use-after-free (CVE-ID: CVE-2017-5434)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error when redirecting focus handling. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

9) Use-after-free (CVE-ID: CVE-2017-5435)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during transaction processing in the editor during design mode interactions. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

10) Out-of-bounds write (CVE-ID: CVE-2017-5436)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in the Graphite 2 library when processing Graphite fonts. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

11) Use-after-free (CVE-ID: CVE-2017-5438)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during XSLT processing due to the result handler being held by a freed handler during handling. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

12) Use-after-free (CVE-ID: CVE-2017-5439)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during XSLT processing due to poor handling of template parameters. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

13) Use-after-free (CVE-ID: CVE-2017-5440)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

14) Use-after-free (CVE-ID: CVE-2017-5441)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error when holding a selection during scroll events. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

15) Use-after-free (CVE-ID: CVE-2017-5442)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during changes in style when manipulating DOM elements. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

16) Out-of-bounds write (CVE-ID: CVE-2017-5443)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error while decoding improperly formed BinHex format archives. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

17) Buffer overflow (CVE-ID: CVE-2017-5444)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error while parsing application/http-index-format format content when the header contains improperly formatted data. A remote attacker can trigger buffer overflow and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

18) Information disclosure (CVE-ID: CVE-2017-5445)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error when parsing application/http-index-format format content where uninitialized values are used to create an array. A remote attacker can read portions of uninitialized memory.

Successful exploitation of the vulnerability may allow an attacker to gain access to potentially sensitive information.

19) Out-of-bounds read (CVE-ID: CVE-2017-5446)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when an HTTP/2 connection to a servers sends DATA frames with incorrect data content. A remote attacker can trigger out-of-bounds read and gain access to sensitive system memory.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

20) Out-of-bounds read (CVE-ID: CVE-2017-5447)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error when processing glyph widths during text layout. A remote attacker can trigger out-of-bounds read and gain access to sensitive system memory.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

21) Out-of-bounds write (CVE-ID: CVE-2017-5448)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in ClearKeyDecryptor while decrypting some Clearkey-encrypted media content. The ClearKeyDecryptor code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

22) Buffer overflow (CVE-ID: CVE-2017-5459)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebGL implementation. A remote attacker can trigger buffer overflow and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

23) Use-after-free (CVE-ID: CVE-2017-5460)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error in frame selection triggered by a combination of malicious script content and key presses by a user. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

24) Out-of-bounds write (CVE-ID: CVE-2017-5461)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error during Base64 decoding operation in the Network Security Services (NSS) library. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

25) Information disclosure (CVE-ID: CVE-2017-5462)

A flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox has been updated with corresponding version of NSS.

26) Memory corruption (CVE-ID: CVE-2017-5464)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to memory corruption during DOM manipulations of the accessibility tree through script. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

27) Out-of-bounds read (CVE-ID: CVE-2017-5465)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error while processing SVG content in ConvolvePixel. A remote attacker can trigger out-of-bounds read and gain access to sensitive system memory.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

28) Memory corruption (CVE-ID: CVE-2017-5470)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user

Successful exploitation of the vulnerability may result in system compromise.

29) Use-after-free error (CVE-ID: CVE-2017-5472)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error with the frameloader during tree reconstruction while regenerating CSS layout. A remote attacker can use a node in the tree that no longer exists, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

30) Use-after-free error (CVE-ID: CVE-2017-7749)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error when using an incorrect URL during the reloading of a docshell. A remote attacker can trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

31) Use-after-free error (CVE-ID: CVE-2017-7750)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error during video control operations when a <track> element holds a reference to an older window if that window has been replaced in the DOM. A remote attacker can trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

32) Use-after-free error (CVE-ID: CVE-2017-7751)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error with content viewer listeners. A remote attacker can trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

33) Use-after-free error (CVE-ID: CVE-2017-7752)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error during specific user interactions with the input method editor (IME) in some languages due to how events are handled. A remote attacker can trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

34) Out-of-bounds read (CVE-ID: CVE-2017-7753)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to out-of-bounds read when applying style rules to pseudo-elements, such as ::first-line, using cached style data. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and read arbitrary files on the system.

Successful exploitation of the vulnerability results in information disclosure.

35) Out-of-bounds read (CVE-ID: CVE-2017-7754)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to out-of-bounds read in WebGL. A remote attacker can use a specially crafted ImageInfo object during WebGL operations and read arbitrary files.
 
Successful exploitation of the vulnerability results in information disclosure.

36) Use-after-free error (CVE-ID: CVE-2017-7756)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free and use-after-scope error when logging errors from headers for XML HTTP Requests (XHR). A remote attacker can trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

37) Use-after-free error (CVE-ID: CVE-2017-7757)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error in IndexedDB when one of its objects is destroyed in memory while a method on it is still being executed. A remote attacker can trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

38) Out-of-bounds read (CVE-ID: CVE-2017-7758)

The vulnerability allows a remote attacker to obtain potentially sensitive on the target system.

The weakness exists due to out-of-bounds read with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. A remote attacker can trigger memory corruption and read arbitrary files on the system.

Successful exploitation of the vulnerability results in information disclosure.

39) Information disclosure (CVE-ID: CVE-2017-7764)

The vulnerability allows a remote attacker to perform spoofing attack.

The weakness exists due to mix of characters from the "Canadian Syllabics" unicode block  with characters from other unicode blocks in the addressbar instead of being rendered as their raw "punycode" form. A remote attacker can use characters confusion to perform domain name spoofing attacks and read arbitrary files.

Successful exploitation of the vulnerability results in information disclosure.

40) Out-of-bounds read (CVE-ID: CVE-2017-7771)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in Graphite 2 library due to out-of-bounds-read. A remote attacker can cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

41) Heap-buffer-overflow write (CVE-ID: CVE-2017-7772)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in Graphite 2 library due to heap-buffer-overflow write. A remote attacker can execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

42) Heap-buffer-overflow write (CVE-ID: CVE-2017-7773)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in Graphite 2 library due to heap-buffer-overflow write. A remote attacker can execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

43) Out-of-bounds read (CVE-ID: CVE-2017-7774)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in Graphite 2 library due to out-of-bounds-read. A remote attacker can cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

44) Denial of service (CVE-ID: CVE-2017-7775)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in Graphite 2 library due to an error in 'size() > n'. A remote attacker can cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

45) Heap-buffer-overflow read (CVE-ID: CVE-2017-7776)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in Graphite 2 library due to heap-buffer-overflow read. A remote attacker can cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

46) Denial of service (CVE-ID: CVE-2017-7777)

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in Graphite 2 library due to use of uninitialized memory. A remote attacker can cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

47) Out-of-bounds write (CVE-ID: CVE-2017-7778)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in Graphite 2 library due to out-of-bounds-write. A remote attacker can execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

48) Memory corruption (CVE-ID: CVE-2017-7779)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

49) Use-after-free error (CVE-ID: CVE-2017-7784)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error when reading an image observer during frame reconstruction after the observer has been freed. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

50) Buffer overflow (CVE-ID: CVE-2017-7785)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to buffer overflow when manipulating Accessible Rich Internet Applications (ARIA) attributes within the DOM. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

51) Buffer overflow (CVE-ID: CVE-2017-7786)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to buffer overflow when the image renderer attempts to paint non-displayable SVG elements. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

52) Information disclosure (CVE-ID: CVE-2017-7787)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to improper access controls. A remote attacker can trick the victim into visiting a specially crafted website, bypass same-origin policy protections on pages with embedded iframes during page reloads and access content on the top level page.

Successful exploitation of the vulnerability results in information disclosure.

53) Spoofing attack (CVE-ID: CVE-2017-7791)

The vulnerability allows a remote attacker to conduct spoofing attack on the target system.

The weakness exists due to improper input validation. A remote attacker can trick the victim into visiting a specially crafted website and use iframe content and the 'data:' protocol to spoof the origin of a modal alert.

54) Buffer overflow (CVE-ID: CVE-2017-7792)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to buffer overflow when viewing a certificate in the certificate manager if the certificate has an extremely long object identifier (OID). A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

55) Use-after-free (CVE-ID: CVE-2017-7793)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error in the Fetch API when the worker or the associated window are freed when still in use. A remote unauthenticated attacker can create a specially crafted web page, trick the victim into visiting it and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

56) Improper input validation (CVE-ID: CVE-2017-7798)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to improper sanitization of the web page source code. A remote attacker can trick the victim into visiting a specially crafted website with the style editor tool, trigger a XUL injection flaw in the Developer Tools feature and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

57) Use-after-free error (CVE-ID: CVE-2017-7800)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error in WebSockets when the object holding the connection is freed before the disconnection operation is finished. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

58) Use-after-free error (CVE-ID: CVE-2017-7801)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error when recomputing layout for a marquee element during window resizing. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

59) Use-after-free error (CVE-ID: CVE-2017-7802)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error when manipulating the DOM during the resize event of an image element. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

60) Security restrictions bypass (CVE-ID: CVE-2017-7803)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to content security policy (CSP) directives being ignored. A remote attacker can trick the victim into visiting a specially crafted website and cause the incorrect enforcement of CSP.

61) Use-after-free (CVE-ID: CVE-2017-7805)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error during TLS 1.2 exchanges. A remote unauthenticated attacker can create a specially crafted web server, trick the victim into visiting it and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

62) Domain hijacking (CVE-ID: CVE-2017-7807)

The vulnerability allows a remote attacker to hijack the domain on the target system.

The weakness exists due to improper access controls. A remote attacker can trick the victim into visiting a specially crafted website, invoke AppCache and hijack a URL in a domain.

63) Use-after-free error (CVE-ID: CVE-2017-7809)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error when an editor DOM node is deleted prematurely during tree traversal while still bound to the document. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

64) Memory corruption (CVE-ID: CVE-2017-7810)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper bounds checking. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code on the target system.

65) Blob and data URLs bypass phishing and malware protection warnings (CVE-ID: CVE-2017-7814)

The vulnerability allows a remote attacker to bypass phishing and malware protection warnings.

File downloads encoded with blob: and data: URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. This would allow malicious sites to lure users into downloading executables that would otherwise be detected as suspicious.

66) Use-after-free (CVE-ID: CVE-2017-7818)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. A remote unauthenticated attacker can create a specially crafted web page, trick the victim into visiting it and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

67) Use-after-free (CVE-ID: CVE-2017-7819)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to use-after-free error in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. A remote unauthenticated attacker can create a specially crafted web page, trick the victim into visiting it and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

68) Cross-site scripting (CVE-ID: CVE-2017-7823)

The vulnerability allows a remote attacker to perform XSS attacks.

The content security policy (CSP) sandbox directive did not create a unique origin for the document, causing it to behave as if the allow-same-origin keyword were always specified. This could allow a Cross-Site Scripting (XSS) attack to be launched from unsafe content.

69) Buffer overflow (CVE-ID: CVE-2017-7824)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper bounds checking when drawing and validating elements with the ANGLE graphics library, used for WebGL content. This is due to an incorrect value being passed within the library during checks. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code on the target system.

70) Security restrictions bypass (CVE-ID: CVE-2017-7843)

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists in web worker while in Private Browsing mode due to improper input validation. A remote attacker can trick the victim into visiting a specially crafted website, bypass private-browsing protections and uniquely fingerprint visitors.to write persistent data to IndexedDB, which was not cleared when exiting and would persist across multiple sessions.

71) Information disclosure (CVE-ID: CVE-2017-7844)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to an error when handling external SVG images from malicious websites. A remote attacker can trick the victim into visiting a specially crafted website, use a combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image and access sensitive information such as stored data and user history.

72) Memory corruption (CVE-ID: CVE-2018-5089)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger mmeory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

73) Use-after-free error (CVE-ID: CVE-2018-5091)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error during WebRTC connections when interacting with the DTMF timers. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

74) Integer overflow (CVE-ID: CVE-2018-5095)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to integer overflow in the Skia library when allocating memory for edge builders. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

75) Use-after-free error (CVE-ID: CVE-2018-5096)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error during WebRTC connections while editing events in form elements on a page. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

76) Use-after-free error (CVE-ID: CVE-2018-5097)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error during XSL transformations. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

77) Use-after-free error (CVE-ID: CVE-2018-5098)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error when manipulating form input elements. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

78) Use-after-free error (CVE-ID: CVE-2018-5099)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error in the widget listener. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

79) Use-after-free error (CVE-ID: CVE-2018-5102)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error when manipulating HTML media elements with media streams. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

80) Use-after-free error (CVE-ID: CVE-2018-5103)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error during mouse event handling. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

81) Use-after-free error (CVE-ID: CVE-2018-5104)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error during font face manipulation. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

82) Spoofing attack (CVE-ID: CVE-2018-5117)

The vulnerability allows a remote attacker to spoof browser address bar.

The vulnerability exists due to an error when right-to-left text is used in the addressbar with left-to-right alignment. A remote attacker can trick the victim into visiting a specially crafted website, and spoof the URL.

Remediation

Install update from vendor's website.

References

• https://security.gentoo.org/glsa/201802-03