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CVE-2016-2161

Published: 22 December 2016

In Apache HTTP Server versions 2.4.0 to 2.4.23, malicious input to mod_auth_digest can cause the server to crash, and each instance continues to crash even for subsequently valid requests.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
precise Not vulnerable
(2.2.22-1ubuntu1.11)
trusty
Released (2.4.7-1ubuntu4.15)
upstream
Released (2.4.25-1)
xenial
Released (2.4.18-2ubuntu3.2)
yakkety
Released (2.4.18-2ubuntu4.1)
zesty Not vulnerable
(2.4.25-3ubuntu2)
Patches:
upstream: https://svn.apache.org/viewvc?view=revision&revision=1772919 (trunk)
upstream: https://svn.apache.org/viewvc?view=revision&revision=1773069 (2.4)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H