SB2020062012 - Fedora 31 update for znc
Published: June 20, 2020 Updated: April 25, 2025
Security Bulletin ID
SB2020062012
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) NULL pointer dereference (CVE-ID: CVE-2020-13775)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote authenticated user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that the echo-message is not enabled and there is no network.
Remediation
Install update from vendor's website.