CVE-2020-11653

An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://varnish-cache.org/security/VSV00005.html#vsv00005	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00031.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00026.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00036.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:varnish-cache:varnish_cache:::::-:::*
	cpe:2.3:a:varnish-cache:varnish_cache:::::-:::*
	cpe:2.3:a:varnish-software:varnish_cache:::::lts:::*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:15.1:::::::*
	cpe:2.3:a:opensuse:backports_sle:15.0:sp1::::::

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2020-04-08 16:15

Updated : 2022-11-29 11:19

NVD link : CVE-2020-11653

Mitre link : CVE-2020-11653

JSON object : View

CWE

CWE-617

Reachable Assertion

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Products Affected

opensuse

backports_sle
leap

varnish-software

varnish_cache

varnish-cache

varnish_cache

debian

debian_linux

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