Apache Subversion up to 1.6.16 mod_dav_svn access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Subversion. It has been classified as problematic. This affects an unknown part of the component mod_dav_svn. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2011-1921. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apache Subversion (Versioning Software) and classified as problematic. This issue affects an unknown code block of the component mod_dav_svn. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality. The summary by CVE is:

The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is disabled, does not properly enforce permissions for files that had been publicly readable in the past, which allows remote attackers to obtain sensitive information via a replay REPORT operation.

The weakness was disclosed 06/06/2011 by Ivan Zhakov with Apache Software Foundation as Bug 709114 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2011-1921. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 55001 (CentOS 5 : subversion (CESA-2011:0862)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119311 (Apache Subversion Multiple Vulnerabilities).

Upgrading to version 1.6.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (67804), Tenable (55001), SecurityFocus (BID 48091†), SecurityTracker (ID 1025619†) and Vulnerability Center (SBV-31720†). The entries VDB-57585 and VDB-57584 are pretty similar. 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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: 55001
Nessus Name: CentOS 5 : subversion (CESA-2011:0862)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 69958
OpenVAS Name: Debian Security Advisory DSA 2251-1 (subversion)
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 1.6.5

Timelineinfo

05/09/2011 🔍
06/02/2011 +24 days 🔍
06/02/2011 +0 days 🔍
06/06/2011 +4 days 🔍
06/06/2011 +0 days 🔍
06/09/2011 +3 days 🔍
03/23/2015 +1383 days 🔍
12/08/2024 +3548 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: Bug 709114
Researcher: Ivan Zhakov
Organization: Apache Software Foundation
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-1921 (🔍)
GCVE (CVE): GCVE-0-2011-1921
GCVE (VulDB): GCVE-100-57587

OVAL: 🔍

X-Force: 67804
SecurityFocus: 48091 - Subversion 'mod_dav_svn' Multiple Denial of Service and Information Disclosure Vulnerabilities
Secunia: 44633
SecurityTracker: 1025619
Vulnerability Center: 31720 - Apache Subversion 1.5-1.5.8 and 1.6-1.6.16 Remote Information Disclosure Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/08/2024 21:08
Changes: 03/23/2015 16:50 (65), 03/23/2017 17:00 (10), 11/08/2021 09:23 (5), 11/08/2021 09:25 (1), 12/08/2024 21:08 (17)
Complete: 🔍
Cache ID: 216:84C:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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