SB2024092547 - Ubuntu update for znc
Published: September 25, 2024 Updated: November 22, 2024
Security Bulletin ID
SB2024092547
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) Input validation error (CVE-ID: CVE-2024-39844)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input in modtcl when processing the reason to kick a user from the channel. A remote user can pass specially crafted input to the application and execute arbitrary code on the server.
Remediation
Install update from vendor's website.