SB2023121132 - Denial of service in Caddy
Published: December 11, 2023
Security Bulletin ID
SB2023121132
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) Resource exhaustion (CVE-ID: CVE-2023-45142)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect processing of HTTP header User-Agent and HTTP method. A remote attacker can send multiple requests with long randomly generated HTTP methods or/and User agents and consume memory resources, leading to a denial of service condition.Remediation
Install update from vendor's website.