SB2021021703 - Multiple vulnerabilities in Google Chrome 



SB2021021703 - Multiple vulnerabilities in Google Chrome

Published: February 17, 2021 Updated: June 4, 2021

Security Bulletin ID SB2021021703
Severity
High
Patch available
YES
Number of vulnerabilities 9
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 89% Medium 11%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 9 secuirty vulnerabilities.


1) Stack-based buffer overflow (CVE-ID: CVE-2021-21149)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in Data Transfer in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.


2) Use-after-free (CVE-ID: CVE-2021-21150)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Downloads 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.


3) Use-after-free (CVE-ID: CVE-2021-21151)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Payments 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.


4) Heap-based buffer overflow (CVE-ID: CVE-2021-21152)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Media. 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.


5) Stack-based buffer overflow (CVE-ID: CVE-2021-21153)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in GPU Process in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.


6) Heap-based buffer overflow (CVE-ID: CVE-2021-21154)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Tab Strip . 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.


7) Heap-based buffer overflow (CVE-ID: CVE-2021-21155)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Tab Strip . 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.


8) Heap-based buffer overflow (CVE-ID: CVE-2021-21156)

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 a heap-based buffer overflow and execute arbitrary code on the target system.


9) Use-after-free (CVE-ID: CVE-2021-21157)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within Web Sockets 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.


Remediation

Install update from vendor's website.