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Vulnerability · Published Nov 9, 2022 · Assigned by mitre

CVE-2022-45059

High 7.5

In plain English

A high-severity security flaw in the varnish package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.8%top 21.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20varnish7.2.1-r0ALPINE-CVE-2022-45059
Alpine:v3.21varnish7.2.1-r0ALPINE-CVE-2022-45059
Alpine:v3.22varnish7.2.1-r0ALPINE-CVE-2022-45059
Alpine:v3.23varnish7.2.1-r0ALPINE-CVE-2022-45059
Alpine:v3.24varnish7.2.1-r0ALPINE-CVE-2022-45059
Debian:12varnish7.1.1-1.1DEBIAN-CVE-2022-45059
Debian:13varnish7.1.1-1.1DEBIAN-CVE-2022-45059

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-444 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References