SB2020110439 - Red Hat Enterprise Linux 8 update for GNOME
Published: November 4, 2020 Updated: November 2, 2023
Breakdown by Severity
- Low
- Medium
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- Critical
Description
This security bulletin contains information about 53 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2019-8625)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Buffer overflow (CVE-ID: CVE-2019-8710)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Buffer overflow (CVE-ID: CVE-2019-8720)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Buffer overflow (CVE-ID: CVE-2019-8743)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
5) Cross-site scripting (CVE-ID: CVE-2019-8764)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
6) Buffer overflow (CVE-ID: CVE-2019-8766)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
7) Information disclosure (CVE-ID: CVE-2019-8769)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to improper input validation in the drawing of web page elements. A remote attacker can reveal browsing history when a victim visit a maliciously crafted website.
8) Cross-site scripting (CVE-ID: CVE-2019-8771)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in iframe sandboxing policy. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
9) Buffer overflow (CVE-ID: CVE-2019-8782)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
10) Buffer overflow (CVE-ID: CVE-2019-8783)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
11) Buffer overflow (CVE-ID: CVE-2019-8808)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
12) Buffer overflow (CVE-ID: CVE-2019-8811)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
13) Buffer overflow (CVE-ID: CVE-2019-8812)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
14) Cross-site scripting (CVE-ID: CVE-2019-8813)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
15) Buffer overflow (CVE-ID: CVE-2019-8814)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
16) Buffer overflow (CVE-ID: CVE-2019-8815)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
17) Buffer overflow (CVE-ID: CVE-2019-8816)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
18) Buffer overflow (CVE-ID: CVE-2019-8819)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
19) Buffer overflow (CVE-ID: CVE-2019-8820)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
20) Buffer overflow (CVE-ID: CVE-2019-8823)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
21) Buffer overflow (CVE-ID: CVE-2019-8835)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.
22) Buffer overflow (CVE-ID: CVE-2019-8844)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, iOS 13.3 and iPadOS 13.3, Safari 13.0.4, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. Processing maliciously crafted web content may lead to arbitrary code execution.
23) Use-after-free (CVE-ID: CVE-2019-8846)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the SVG Marker Element feature of Apple Safari's WebKit. A remote attacker can use a specially crafted HTML web page, when opened by a victim, 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) Use-after-free (CVE-ID: CVE-2020-10018)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing web conftent. A remote attacker can trick a victim to visit a specially crafted web page, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
25) Use-after-free (CVE-ID: CVE-2020-11793)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A use-after-free issue exists in WebKitGTK before 2.28.1 and WPE WebKit before 2.28.1 via crafted web content that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash).
26) Cleartext storage of sensitive information (CVE-ID: CVE-2020-14391)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists in the GNOME Control Center in the way it handles credentials passed from Red Hat Customer Portal. When a user registers a system through the GNOME Settings User Interface, the user's credentials are passed as an argument to gnome-settings-daemon helper, making it readable by an unprivileged local user.
27) Buffer overflow (CVE-ID: CVE-2020-15503)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in "decoders/unpack_thumb.cpp", "postprocessing/mem_image.cpp" and u"tils/thumb_utils.cpp". A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.
28) Buffer overflow (CVE-ID: CVE-2020-3862)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error. A remote attacker can create a specially crafted web page, trick the victim into visiting it and perform a denial of service (DoS) attack.
29) Origin validation error (CVE-ID: CVE-2020-3864)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an logical error that leads to DOM object not having a unique security origin. A remote attacker can interact with DOM objects from another domain.
30) Origin validation error (CVE-ID: CVE-2020-3865)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a logical error that leads to a top-level DOM object context being incorrectly considered secure. A remote attacker can gain unauthorized access to DOM objects from another domain.
31) Univeral cross-site scripting (CVE-ID: CVE-2020-3867)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
32) Buffer overflow (CVE-ID: CVE-2020-3868)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
33) Business Logic Errors (CVE-ID: CVE-2020-3885)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to logical errors. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page and cause a file URL may be incorrectly processed.
34) Race condition (CVE-ID: CVE-2020-3894)
The vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to a race condition. A remote atacker can trick a victim to open a specially crafted file or visit a malicioous page, exploit the race and gain unauthorized access to sensitive information on the target system.
35) Buffer overflow (CVE-ID: CVE-2020-3895)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
36) Type Confusion (CVE-ID: CVE-2020-3897)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the object transition cache. A remote attacker can trick a victim to visit a malicisou page or open a specially crafted file, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
37) Buffer overflow (CVE-ID: CVE-2020-3899)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
38) Buffer overflow (CVE-ID: CVE-2020-3900)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing maliciously crafted web content. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
39) Type Confusion (CVE-ID: CVE-2020-3901)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error when processing maliciously crafted web content. A remote attacker can trick a victim to open a specially crafted file or visit a malicious page, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
40) Cross-site scripting (CVE-ID: CVE-2020-3902)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
41) Input validation error (CVE-ID: CVE-2020-9802)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when processing web content. A remote attacker can create a specially crafted web page, trick the victim into visiting it and execute arbitrary code on the target system.
42) Memory corruption (CVE-ID: CVE-2020-9803)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when processing web content. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system.
43) Universal cross-site scripting (CVE-ID: CVE-2020-9805)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
44) Memory corruption (CVE-ID: CVE-2020-9806)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when processing web content. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system.
45) Memory corruption (CVE-ID: CVE-2020-9807)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when processing web content. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system.
46) Cross-site scripting (CVE-ID: CVE-2020-9843)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
47) Input validation error (CVE-ID: CVE-2020-9850)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input when processing web content. A remote attacker can create a specially crafted web page, trick the victim into visiting it and execute arbitrary code on the target system.
48) Command Injection (CVE-ID: CVE-2020-9862)
The vulnerability allows a remote attacker to execute arbitrary commands on the system.
The vulnerability exists due to improper input validation in Web
Inspector when copying a URL. A remote attacker can trick the victim into copying a specially crafted URL and execute arbitrary commands on the system with privileges of the current user.
49) Use-after-free (CVE-ID: CVE-2020-9893)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing web content. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
50) Out-of-bounds read (CVE-ID: CVE-2020-9894)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.
51) Use-after-free (CVE-ID: CVE-2020-9895)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing web content. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
52) Security restrictions bypass (CVE-ID: CVE-2020-9915)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to application does not properly impose Content Security Policy. A remote attacker can create a specially crafted web page, trick the victim into visiting it and bypass implemented security restrictions. The vulnerability may allow an attacker to perform cross-site scripting attacks or gain access to sensitive information.
53) Univeral cross-site scripting (CVE-ID: CVE-2020-9925)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of arbitrary website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.