CVE-2022-38150
Published: 11 August 2022
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.
Notes
| Author | Note |
|---|---|
| mdeslaur | only affects 7.0 and higher |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
varnish Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
| focal |
Not vulnerable
(code not present)
|
|
| jammy |
Not vulnerable
(code not present)
|
|
| kinetic |
Not vulnerable
(code not present)
|
|
| lunar |
Not vulnerable
(7.1.1-1)
|
|
| mantic |
Not vulnerable
(7.1.1-1)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Released
(7.1.1-1)
|
|
| xenial |
Needs triage
|
|
|
Patches: upstream: https://github.com/varnishcache/varnish-cache/commit/c5fd097e5cce8b461c6443af02b3448baef2491d upstream: https://github.com/varnishcache/varnish-cache/commit/19544fdc6649bd294f25314d9f609b4979b1fe48 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |