High severity · published Nov 9, 2022
CVE-2022-45059
An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1. A request smuggling attack can be performed on Varnish Cache servers by requesting that certain headers are made hop-by-hop, preventing the Varnish Cache servers from forwarding critical headers to the backend.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
35; 36; 37 · source: NVD
VC
Varnish Cache · Varnish Cache Project
7.0.0 before 7.1.2; 7.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-45059
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-45059
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G6ZMOZVBLZXHEV5VRW4I4SOWLQEK5OF5/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4KVVCIQVINQQ2D7ORNARSYALMJUMP3I/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XGF6LFTHXCSYMYUX5HLMVXQH3WHCSFLU/
Mitigation
https://varnish-cache.org/security/VSV00010.html
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