Apache Subversion up to 1.7.x/1.8.14/1.9.2 mod_dav_svn util.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apache Subversion up to 1.7.x/1.8.14/1.9.2. Affected is an unknown function of the file util.c of the component mod_dav_svn. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2015-5343. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache Subversion up to 1.7.x/1.8.14/1.9.2 (Versioning Software). This affects some unknown processing of the file util.c of the component mod_dav_svn. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Integer 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 to cause a denial of service (subversion server crash or memory consumption) and possibly execute arbitrary code via a skel-encoded request body, which triggers an out-of-bounds read and heap-based buffer overflow.

The weakness was shared 04/14/2016 (Website). The advisory is shared at debian.org. This vulnerability is uniquely identified as CVE-2015-5343 since 07/01/2015. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 87431 (Debian DSA-3424-1 : subversion - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350027 (Amazon Linux Security Advisory for mod_dav_svn,subversion: ALAS-2016-676).

Upgrading to version 1.8.15 or 1.9.3 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 2278.

The vulnerability is also documented in the vulnerability database at Tenable (87431). The entries VDB-76952 and VDB-80116 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.6
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.6
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 87431
Nessus Name: Debian DSA-3424-1 : subversion - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703424
OpenVAS Name: Debian Security Advisory DSA 3424-1 (subversion - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Subversion 1.8.15/1.9.3

Snort ID: 2278
Snort Message: SERVER-WEBAPP client negative Content-Length attempt
Snort Class: 🔍

Timelineinfo

07/01/2015 🔍
12/15/2015 +168 days 🔍
12/16/2015 +1 days 🔍
04/14/2016 +119 days 🔍
04/14/2016 +0 days 🔍
04/15/2016 +1 days 🔍
07/24/2022 +2291 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: debian.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5343 (🔍)
GCVE (CVE): GCVE-0-2015-5343
GCVE (VulDB): GCVE-100-82389

OVAL: 🔍

SecurityTracker: 1034470

See also: 🔍

Entryinfo

Created: 04/15/2016 10:12
Updated: 07/24/2022 16:06
Changes: 04/15/2016 10:12 (59), 10/07/2018 08:46 (20), 07/24/2022 16:06 (3)
Complete: 🔍
Cache ID: 216:884:103

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