Apache Subversion up to 1.8.4 mod_dav_svn input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apache Subversion up to 1.8.4. Impacted is an unknown function of the component mod_dav_svn. Such manipulation leads to input validation. This vulnerability is traded as CVE-2013-4558. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apache Subversion up to 1.8.4 (Versioning Software). Affected by this issue is an unknown code block of the component mod_dav_svn. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

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 /.

The weakness was shared 11/25/2013 by Philip Martin with WANdisco, Inc. as mod_dav_svn assertion triggered by non-canonical URLs in autoversioning commits. as confirmed advisory (Website). The advisory is shared for download at subversion.apache.org. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2013-4558 since 06/12/2013. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 71581 (Amazon Linux AMI : subversion (ALAS-2013-269)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350475 (Amazon Linux Security Advisory for subversion: ALAS-2013-269).

Upgrading to version 1.7.14 or 1.8.5 eliminates this vulnerability. The upgrade is hosted for download at subversion.apache.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (71581), SecurityFocus (BID 63981†), OSVDB (100363†) and Vulnerability Center (SBV-42453†). The entry VDB-11325 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 71581
Nessus Name: Amazon Linux AMI : subversion (ALAS-2013-269)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867116
OpenVAS Name: Fedora Update for subversion FEDORA-2013-22208
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Subversion 1.7.14/1.8.5

Timelineinfo

06/12/2013 🔍
11/25/2013 +166 days 🔍
11/25/2013 +0 days 🔍
11/25/2013 +0 days 🔍
11/25/2013 +0 days 🔍
11/29/2013 +4 days 🔍
12/03/2013 +4 days 🔍
12/07/2013 +4 days 🔍
06/02/2021 +2734 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: mod_dav_svn assertion triggered by non-canonical URLs in autoversioning commits.
Researcher: Philip Martin
Organization: WANdisco, Inc.
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4558 (🔍)
GCVE (CVE): GCVE-0-2013-4558
GCVE (VulDB): GCVE-100-11324

OVAL: 🔍

SecurityFocus: 63981 - Apache Subversion 'mod_dav_svn' Module Denial of Service Vulnerability
OSVDB: 100363
Vulnerability Center: 42453 - Apache Subversion Remote DoS Vulnerability in mod_dav_svn, Low

See also: 🔍

Entryinfo

Created: 11/29/2013 13:36
Updated: 06/02/2021 14:37
Changes: 11/29/2013 13:36 (78), 05/16/2017 04:37 (4), 06/02/2021 14:37 (3)
Complete: 🔍
Committer:
Cache ID: 216:B29:103

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