CVE-2022-23959
Varnish Cache HTTP/1 Request Smuggling
Description
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.
INFO
Published Date :
Jan. 26, 2022, 1:15 a.m.
Last Modified :
Nov. 21, 2024, 6:49 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2022-23959
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update the Varnish Cache packages.
- For Debian, upgrade to version 6.5.1-1+deb11u2.
- For Debian 9 stretch, upgrade to version 5.0.0-7+deb9u3.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-23959.
| URL | Resource |
|---|---|
| https://docs.varnish-software.com/security/VSV00008/ | Mitigation Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ | |
| https://varnish-cache.org/security/VSV00008.html | Mitigation Vendor Advisory |
| https://www.debian.org/security/2022/dsa-5088 | Third Party Advisory |
| https://docs.varnish-software.com/security/VSV00008/ | Mitigation Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ | |
| https://varnish-cache.org/security/VSV00008.html | Mitigation Vendor Advisory |
| https://www.debian.org/security/2022/dsa-5088 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-23959 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-23959
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-23959 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-23959 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://docs.varnish-software.com/security/VSV00008/ Added Reference https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ Added Reference https://varnish-cache.org/security/VSV00008.html Added Reference https://www.debian.org/security/2022/dsa-5088 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ -
CPE Deprecation Remap by [email protected]
Aug. 02, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:* versions from (including) 6.0.0 from (excluding) 6.0.9r4 OR *cpe:2.3:a:varnish-software:varnish_cache_plus:*:*:*:*:*:*:*:* versions from (including) 6.0.0 from (excluding) 6.0.9r4 -
CPE Deprecation Remap by [email protected]
Aug. 02, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:lts:*:*:* versions from (including) 6.0.0 from (excluding) 6.0.10 OR *cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:* versions from (including) 6.0.0 from (excluding) 6.0.10 -
CPE Deprecation Remap by [email protected]
Aug. 02, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:* versions from (including) 7.0.0 from (excluding) 7.0.2 OR *cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:* versions from (including) 7.0.0 from (excluding) 7.0.2 -
Modified Analysis by [email protected]
Mar. 17, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2022/dsa-5088 No Types Assigned https://www.debian.org/security/2022/dsa-5088 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Added CPE Configuration OR *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:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 04, 2022
Action Type Old Value New Value Added Reference https://www.debian.org/security/2022/dsa-5088 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 16, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/UMMDMQWNAE3BTSZUHXQHVAMZC5TLHLYT/ [No Types Assigned] -
CVE Modified by [email protected]
Feb. 14, 2022
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2022/02/msg00014.html [No Types Assigned] -
Initial Analysis by [email protected]
Feb. 07, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://docs.varnish-software.com/security/VSV00008/ No Types Assigned https://docs.varnish-software.com/security/VSV00008/ Mitigation, Vendor Advisory Changed Reference Type https://varnish-cache.org/security/VSV00008.html No Types Assigned https://varnish-cache.org/security/VSV00008.html Mitigation, Vendor Advisory Added CWE NIST CWE-444 Added CPE Configuration OR *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:* versions from (including) 1.0.0 up to (excluding) 6.6.2 *cpe:2.3:a:varnish-software:varnich_cache:4.1:*:*:*:lts:*:*:* *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:* versions from (including) 4.1.1 up to (excluding) 4.1.11r6 *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:* versions from (including) 6.0.0 up to (excluding) 6.0.9r4 *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:lts:*:*:* versions from (including) 6.0.0 up to (excluding) 6.0.10 *cpe:2.3:a:varnish-software:varnich_cache:*:*:*:*:-:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.2
Vulnerability Scoring Details
Base CVSS Score: 9.1
Base CVSS Score: 6.4
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.51 }} 0.03%
score
0.65354
percentile