SB2023021105 - Denial of service in GNU Less
Published: February 11, 2023
Security Bulletin ID
SB2023021105
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2022-46663)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of the ANSI escape sequences in the "less -R" output. A remote attacker can trick the victim to run the command against the specially crafted data and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.