CVE-2022-38150

2022-08-1101:15:10

Alpine Linux Development Team

security.alpinelinux.org

varnish cache

http

backend response

vulnerability

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.2

Confidence

High

EPSS

0.002

Percentile

51.7%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Alpineedge-mainnoarchvarnish< 7.0.3-r0UNKNOWN
Alpine3.17-mainnoarchvarnish< 7.1.1-r0UNKNOWN
Alpine3.18-mainnoarchvarnish< 7.0.3-r0UNKNOWN
Alpine3.19-mainnoarchvarnish< 7.0.3-r0UNKNOWN
Alpine3.20-mainnoarchvarnish< 7.0.3-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-main	noarch	varnish	< 7.0.3-r0	UNKNOWN
Alpine	3.17-main	noarch	varnish	< 7.1.1-r0	UNKNOWN
Alpine	3.18-main	noarch	varnish	< 7.0.3-r0	UNKNOWN
Alpine	3.19-main	noarch	varnish	< 7.0.3-r0	UNKNOWN
Alpine	3.20-main	noarch	varnish	< 7.0.3-r0	UNKNOWN