7.5
CVSSv3

CVE-2022-38150

Published: 11/08/2022 Updated: 07/11/2023
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

In Varnish Cache 7.0.0, 7.0.1, 7.0.2, and 7.1.0, it is possible to cause the Varnish Server to assert and automatically restart through forged HTTP/1 backend responses. An attack uses a crafted reason phrase of the backend response status line. This is fixed in 7.0.3 and 7.1.1.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

varnish cache project varnish cache 7.1.0

varnish cache project varnish cache 7.0.2

varnish cache project varnish cache 7.0.1

varnish cache project varnish cache 7.0.0

fedoraproject fedora 35

fedoraproject fedora 36

Vendor Advisories

A flaw was found in Varnish where a denial of service attack can be performed against Varnish Cache servers by specially formatting the reason phrase of the backend response status line To execute an attack, the attacker needs the ability to influence the HTTP/1 responses that the Varnish Server receives from its configured backends, causing the V ...