CVE-2013-4558

Severity: low (CVSS 3.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-12-07 · updated 2026-06-16
Weakness: CWE-20

Description

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 /.

Affected products

Apache Mod Dav Svn: all versions
Apache Software Foundation Apache Subversion: 1.7.11, 1.7.12, 1.7.13, 1.8.1, 1.8.2, 1.8.3 (+1)

References

http://lists.opensuse.org/opensuse-updates/2013-12/msg00029.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00048.html
http://osvdb.org/100363
http://subversion.apache.org/security/CVE-2013-4558-advisory.txt
https://bugzilla.redhat.com/show_bug.cgi?id=1033431
https://github.com/apache/subversion/commit/2c77c43e4255555f3b79f761f0d141393a3856cc
https://github.com/apache/subversion/commit/647e3f8365a74831bb915f63793b63e31fae062d
http://lists.opensuse.org/opensuse-updates/2013-12/msg00029.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00048.html
http://osvdb.org/100363
http://subversion.apache.org/security/CVE-2013-4558-advisory.txt
https://bugzilla.redhat.com/show_bug.cgi?id=1033431

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