Input validation error in Subversion - CVE-2013-4558
Published: December 7, 2013 / Updated: July 28, 2020
Vulnerability identifier: #VU32572
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-4558
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Subversion
Subversion
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote #AU# to perform service disruption.
The get_parent_resource function in repos.c in mod_dav_svn Apache HTTPD server module in Subversion 1.7.11 through 1.7.13 and 1.8.1 through 1.8.4, when built with assertions enabled and SVNAutoversioning is enabled, allows remote attackers to cause a denial of service (assertion failure and Apache process abort) via a non-canonical URL in a request, as demonstrated using a trailing /.
Remediation
Install update from vendor's website.