Apache Subversion up to 1.7.7 mod_dav_svn uninitialized memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apache Subversion up to 1.7.7. Affected by this vulnerability is an unknown functionality of the component mod_dav_svn. This manipulation of the argument uninitialized causes memory corruption. This vulnerability is registered as CVE-2013-1884. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in Apache Subversion up to 1.7.7 (Versioning Software) and classified as problematic. Affected by this vulnerability is an unknown code of the component mod_dav_svn. The manipulation of the argument uninitialized with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

The mod_dav_svn Apache HTTPD server module in Subversion 1.7.0 through 1.7.8 allows remote attackers to cause a denial of service (segmentation fault and crash) via a log REPORT request with an invalid limit, which triggers an access of an uninitialized variable.

The weakness was published 05/02/2013 by Philip Martin as Bug 929095 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2013-1884 since 02/19/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 65849 (FreeBSD : Subversion -- multiple vulnerabilities (b6beb137-9dc0-11e2-882f-20cf30e32f6d)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121468 (Apache Subversion "mod_dav_svn" Multiple Denial of Service Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (83259), Exploit-DB (38422), Tenable (65849), SecurityFocus (BID 58898†) and Vulnerability Center (SBV-39679†). Similar entries are available at VDB-64074, VDB-64073, VDB-64072 and VDB-64071. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 65849
Nessus Name: FreeBSD : Subversion -- multiple vulnerabilities (b6beb137-9dc0-11e2-882f-20cf30e32f6d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 841492
OpenVAS Name: Ubuntu Update for subversion USN-1893-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/19/2013 🔍
04/04/2013 +44 days 🔍
04/05/2013 +1 days 🔍
05/02/2013 +27 days 🔍
05/02/2013 +0 days 🔍
05/22/2013 +20 days 🔍
03/24/2015 +671 days 🔍
11/14/2024 +3523 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: Bug 929095
Researcher: Philip Martin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-1884 (🔍)
GCVE (CVE): GCVE-0-2013-1884
GCVE (VulDB): GCVE-100-64075

OVAL: 🔍

X-Force: 83259
SecurityFocus: 58898 - Apache Subversion CVE-2013-1884 Remote Denial of Service Vulnerability
Vulnerability Center: 39679 - Apache Subversion 1.7.0 - 1.7.8 Remote DoS Vulnerability via a log REPORT request with invalid limit, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 11/14/2024 21:43
Changes: 03/24/2015 15:54 (64), 04/30/2017 10:44 (11), 01/02/2022 14:30 (3), 11/14/2024 21:43 (23)
Complete: 🔍
Cache ID: 216::103

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