SB2020092004 - Denial of service in InspIRCd
Published: September 20, 2020
Security Bulletin ID
SB2020092004
Severity
Medium
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) Use-after-free (CVE-ID: CVE-2020-25269)
The vulnerability allows a remote user to crash the daemon.
The vulnerability exists due to a use-after-free error within the pgsql module in InspIRCd. A remote user can send specially crafted request to the daemon, trigger a use-after-free error and crash the server..
Successful exploitation of the vulnerability requires that sqlauth or sqloper modules are used.
Remediation
Install update from vendor's website.