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CVE-2022-37436

Published: 17 January 2023

Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
trusty Needed

xenial
Released (2.4.18-2ubuntu3.17+esm9)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic
Released (2.4.54-2ubuntu1.1)
upstream
Released (2.4.55-1)
bionic
Released (2.4.29-1ubuntu4.26)
focal
Released (2.4.41-4ubuntu3.13)
jammy
Released (2.4.52-1ubuntu4.3)
lunar
Released (2.4.55-1ubuntu1)
mantic
Released (2.4.55-1ubuntu1)
Patches:
upstream: https://github.com/apache/httpd/commit/8b6d55f6a047acf62675e32606b037f5eea8ccc7

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N