Input validation error in Subversion - CVE-2016-2168

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Main Vulnerability Database Vulnerabilities #VU32289

Input validation error in Subversion - CVE-2016-2168

Published: May 5, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32289
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-2168
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows remote authenticated users to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can 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.


Affected software

Subversion
Amazon Linux AMI
Slackware Linux
Fedora
subversion (Alpine package)
subversion

How to mitigate CVE-2016-2168

Update to version 1.8.16.

Subversion - update to 1.8.16
subversion (Alpine package) - update to 1.8.16-r0
subversion - addressed in versions 1.9.4-1.fc23, 1.9.4-1.fc24

External References

Related Security Bulletins