SB2022080920 - Denial of service in Varnish Cache
Published: August 9, 2022 Updated: November 28, 2022
Security Bulletin ID
SB2022080920
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) Reachable Assertion (CVE-ID: CVE-2022-38150)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion when processing HTTP/1 responses from configured backends. A remote attacker with ability to influence server response can pass specially crafted reason phrase of the backend response status line and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.