SB2023092805 - Multiple vulnerabilities in Google ChromeOS TLS



SB2023092805 - Multiple vulnerabilities in Google ChromeOS TLS

Published: September 28, 2023 Updated: June 7, 2024

Security Bulletin ID SB2023092805
Severity
Critical
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 25% High 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2023-4863)

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

The vulnerability exists due to a boundary error when processing WebP images within libwebp library. A remote attacker can trick the victim to visit a malicious website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system. The vulnerability affects all modern browsers that support WebP image processing.

Note, the vulnerability is being actively exploited in the wild.


2) Use-after-free (CVE-ID: CVE-2023-4429)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Loader 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-2023-4572)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the MediaStream 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) Buffer overflow (CVE-ID: CVE-2023-4428)

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

The vulnerability exists due to a boundary error in CSS 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.


Remediation

Install update from vendor's website.