SB2013041501 - Fedora EPEL 6 update for pdns-recursor
Published: April 15, 2013 Updated: April 24, 2025
Security Bulletin ID
SB2013041501
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-1193)
The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.
The resolver in PowerDNS Recursor (aka pdns_recursor) 3.3 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.
Remediation
Install update from vendor's website.