SB2021012235 - Gentoo update for Chromium, Google Chrome
Published: January 22, 2021 Updated: July 1, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 26 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2020-16044)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing COOKIE-ECHO chunk in a SCTP packet. A remote attacker can pass specially crafted data to the browser, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21117)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in Cryptohome in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.
3) Input validation error (CVE-ID: CVE-2021-21118)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in V8 in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the system.
4) Use-after-free (CVE-ID: CVE-2021-21119)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Media 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.
5) Use-after-free (CVE-ID: CVE-2021-21120)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebSQL 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.
6) Use-after-free (CVE-ID: CVE-2021-21121)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Omnibox 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.
7) Use-after-free (CVE-ID: CVE-2021-21122)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Blink 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.
8) Input validation error (CVE-ID: CVE-2021-21123)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the system.
9) Use-after-free (CVE-ID: CVE-2021-21124)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Speech Recognizer 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.
10) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21125)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.
11) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21126)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in extensions 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.
12) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21127)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in extensions 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.
13) Heap-based buffer overflow (CVE-ID: CVE-2021-21128)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Blink. 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.
14) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21129)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in File System API 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.
15) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21130)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in File System API 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.
16) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21131)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in File System API 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.
17) Improperly implemented security check for standard (CVE-ID: CVE-2021-21132)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in DevTools 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) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21133)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in Downloads 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.
19) Spoofing attack (CVE-ID: CVE-2021-21134)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in Page Info in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
20) Improperly implemented security check for standard (CVE-ID: CVE-2021-21135)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Performance API 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.
21) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21136)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in WebView 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.
22) Improperly implemented security check for standard (CVE-ID: CVE-2021-21137)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in DevTools 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.
23) Use-after-free (CVE-ID: CVE-2021-21138)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to use-after-free error in DevTools in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
24) Improperly implemented security check for standard (CVE-ID: CVE-2021-21139)
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.
25) Use of uninitialized resource (CVE-ID: CVE-2021-21140)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to usage of uninitialized resources in USB in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
26) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21141)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in File System API 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.
Remediation
Install update from vendor's website.