SB2023112832 - Fedora 39 update for webkitgtk



SB2023112832 - Fedora 39 update for webkitgtk

Published: November 28, 2023

Security Bulletin ID SB2023112832
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2023-41983)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing HTML content in WebKit Process Model. A remote attacker can trick the victim to visit a specially crafted website, trigger memory corruption and perform a denial of service attack.


2) Input validation error (CVE-ID: CVE-2023-42852)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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

The vulnerability exists due to a logic issue when handling HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted website and execute arbitrary code on the system.


Remediation

Install update from vendor's website.