SB2023012033 - Denial of service in PowerDNS Recursor
Published: January 20, 2023
Security Bulletin ID
SB2023012033
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) Infinite loop (CVE-ID: CVE-2023-22617)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing queries for misconfigured domains. A remote attacker can query a specially crafted or malicious domain and crash the DNS recursor.Remediation
Install update from vendor's website.