SB2024011530 - Ubuntu update for w3m
Published: January 15, 2024
Security Bulletin ID
SB2024011530
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2023-4255)
CWE-ID: CWE-787 - Out-of-bounds write
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 perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing untrusted input within the checkType() function in etc.c. A remote attacker can create a specially crafted HTML file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.