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Vulnerability record · CVE-2013-4558 · published 7 December 2013

CVE-2013-4558: Apache mod dav svn improper input validation vulnerability

Apache · Mod Dav Svn

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 /.

3.5 CVSS 2.0 Low EPSS 5.9% · top 7.0% CWE-20 · Improper input validation
3.5CVSS 2.0 base score
5.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

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 /.

AV:N/AC:M/Au:S/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 PatchVendor Advisory
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 PatchVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1033431
https://github.com/apache/subversion/commit/2c77c43e4255555f3b79f761f0d141393a3856cc
https://github.com/apache/subversion/commit/647e3f8365a74831bb915f63793b63e31fae062d

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-9800Apache subversion improper input validation vulnerabilityA maliciously constructed svn+ssh:// URL would cause Subversion clients before 1.8.19, 1.9.x before 1.9.7, and 1.10.0.x through 1.10.0-alpha3 to run …EPSS 19%8.8CVE-2013-4246Apache subversion improper access control vulnerabilitylibsvn_fs_fs/fs_fs.c in Apache Subversion 1.8.x before 1.8.2 might allow remote authenticated users with commit access to corrupt FSFS repositories a…EPSS 2.8%8.6CVE-2015-5259Apache Subversion svn:// protocol integer overflow enables remote code executionApache Subversion 1.9.x before 1.9.3 has an integer overflow in the read_string function in libsvn_ra_svn/marshal.c. A crafted svn:// protocol string…EPSS 57%analysed7.8CVE-2024-45720Apache subversion os command injection vulnerabilityOn Windows platforms, a "best fit" character encoding conversion of command line arguments to Subversion's executables (e.g., svn.exe, etc.) may lead…EPSS 0.61%7.8CVE-2015-0202Apache subversion vulnerabilityThe mod_dav_svn server in Subversion 1.8.0 through 1.8.11 allows remote attackers to cause a denial of service (memory consumption) via a large numbe…EPSS 8.0%7.8CVE-2013-2112Apache subversion vulnerabilityThe svnserve server in Subversion before 1.6.23 and 1.7.x before 1.7.10 allows remote attackers to cause a denial of service (exit) by aborting a con…EPSS 3.9%7.6CVE-2015-5343Apache subversion memory buffer overflow vulnerabilityInteger overflow in util.c in mod_dav_svn in Apache Subversion 1.7.x, 1.8.x before 1.8.15, and 1.9.x before 1.9.3 allows remote authenticated users t…EPSS 30%7.5CVE-2022-24070Apache subversion use after free vulnerabilitySubversion's mod_dav_svn is vulnerable to memory corruption. While looking up path-based authorization rules, mod_dav_svn servers may attempt to use …EPSS 9.5%

Source: NIST National Vulnerability Database (record CVE-2013-4558), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.