Vulnerability Details : CVE-2022-23959
In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.
Products affected by CVE-2022-23959
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- Varnish-software » Varnich Cache » Plus EditionVersions from including (>=) 4.1.1 and before (<) 4.1.11r6cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:*
- cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:*
- cpe:2.3:a:varnish-software:varnich_cache:4.1:*:*:*:lts:*:*:*
- Varnish-software » Varnish Cache » LTS EditionVersions from including (>=) 6.0.0 and before (<) 6.0.10cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:*
- cpe:2.3:a:varnish-software:varnish_cache_plus:*:*:*:*:*:*:*:*
- cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-23959
0.46%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-23959
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:P/A:N |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2022-23959
-
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-23959
-
https://varnish-cache.org/security/VSV00008.html
VSV00008 Varnish HTTP/1 Request Smuggling Vulnerability — Varnish HTTP CacheMitigation;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html
[SECURITY] [DLA 2920-1] varnish security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2022/dsa-5088
Debian -- Security Information -- DSA-5088-1 varnishThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/
[SECURITY] Fedora 35 Update: varnish-6.6.2-2.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://docs.varnish-software.com/security/VSV00008/
Varnish HTTP/1 Request Smuggling - Varnish Software DocumentationMitigation;Vendor Advisory
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