SB2022060925 - openEuler 22.03 LTS update for webkit2gtk3 



SB2022060925 - openEuler 22.03 LTS update for webkit2gtk3

Published: June 9, 2022

Security Bulletin ID SB2022060925
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2022-30294)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content within the WebCore::TextureMapperLayer::setContentsLayer() function in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp. A remote attacker can trick the victim to visit a specially crafted website, 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) Heap-based buffer overflow (CVE-ID: CVE-2022-30293)

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

The vulnerability exists due to a boundary error within the WebCore::TextureMapperLayer::setContentsLayer() function in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp. A remote attacker can trick the victim into visiting a specially crafted web page, 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.


Remediation

Install update from vendor's website.