SB2020072707 - Gentoo update for Chromium, Google Chrome
Published: July 27, 2020 Updated: June 9, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 30 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2020-6505)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the speech component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, 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.
2) Universal cross-site scripting (CVE-ID: CVE-2020-6506)
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 the Google Chrome WebView system component. The vulnerability allows cross-origin iframes to execute arbitrary JavaScript in the top-level document.
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.
3) Out-of-bounds write (CVE-ID: CVE-2020-6507)
The vulnerability allows a remote attacker to compromise vulnerable system. The vulnerability exists due to a boundary error when processing untrusted HTML content in V8. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.4) Use-after-free (CVE-ID: CVE-2020-6509)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in extensions. 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.
5) Heap-based buffer overflow (CVE-ID: CVE-2020-6510)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in background fetch. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
6) Cryptographic issues (CVE-ID: CVE-2020-6511)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in content security policy. Chrome High. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
7) Type Confusion (CVE-ID: CVE-2020-6512)
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 V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, 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.
8) Heap-based buffer overflow (CVE-ID: CVE-2020-6513)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in PDFium. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
9) Improperly implemented security check for standard (CVE-ID: CVE-2020-6514)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to WebRTC used the memory address of a class instance as a connection identifier. A remote attacker can use the obtained value to bypass ASLR protection.10) Use-after-free (CVE-ID: CVE-2020-6515)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the tab strip component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, 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.
11) Improper access control (CVE-ID: CVE-2020-6516)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper access restrictions in CORS. A remote attacker can create a specially crafted web page, trick the victim into visiting it, bypass implemented security restrictions and gain unauthorized access to sensitive information or manipulate data.
12) Heap-based buffer overflow (CVE-ID: CVE-2020-6517)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in history. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
13) Use-after-free (CVE-ID: CVE-2020-6518)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within developer tools in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
14) Improper access control (CVE-ID: CVE-2020-6519)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper access restrictions in CSP. A remote attacker can create a specially crafted web page, trick the victim into visiting it, bypass implemented security restrictions and gain unauthorized access to sensitive information.
15) Heap-based buffer overflow (CVE-ID: CVE-2020-6520)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
16) Cryptographic issues (CVE-ID: CVE-2020-6521)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in autofill. Chrome Medium. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
17) Improperly implemented security check for standard (CVE-ID: CVE-2020-6522)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in external protocol handlers in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
18) Out-of-bounds write (CVE-ID: CVE-2020-6523)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.
19) Heap-based buffer overflow (CVE-ID: CVE-2020-6524)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in WebAudio. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
20) Heap-based buffer overflow (CVE-ID: CVE-2020-6525)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
21) Improperly implemented security check for standard (CVE-ID: CVE-2020-6526)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in iframe sandbox in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
22) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-6527)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in CSP in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.
23) Spoofing attack (CVE-ID: CVE-2020-6528)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in basic auth in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
24) Improperly implemented security check for standard (CVE-ID: CVE-2020-6529)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in WebRTC in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
25) Out-of-bounds read (CVE-ID: CVE-2020-6530)
The vulnerability allows a remote attacker to gain access to crash the browser.
The vulnerability exists due to a boundary condition within the developer tools component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and crash the browser.
26) Cryptographic issues (CVE-ID: CVE-2020-6531)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in scroll to text. Chrome Low. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
27) Type Confusion (CVE-ID: CVE-2020-6533)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a type confusion error and crash the browser.
28) Heap-based buffer overflow (CVE-ID: CVE-2020-6534)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing untrusted HTML content in WebRTC. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and crash the browser.
29) Input validation error (CVE-ID: CVE-2020-6535)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input in WebUI in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
30) Spoofing attack (CVE-ID: CVE-2020-6536)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in PWAs in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
Remediation
Install update from vendor's website.