CVE-2016-2168

Publication date 5 May 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The req_check_access function in the mod_authz_svn module in the httpd server in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via a crafted header in a (1) MOVE or (2) COPY request, involving an authorization check.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
subversion	17.10 artful	Not affected
	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Fixed 1.9.3-2ubuntu1.1
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 1.8.8-1ubuntu3.3
	12.04 LTS precise	Ignored end of life

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3388-2
Subversion vulnerabilities
24 October 2017