Apache Subversion up to 1.8.2 svnserve write_pid_file access control

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apache Subversion up to 1.8.2. The affected element is the function write_pid_file of the component svnserve. This manipulation causes access control. The identification of this vulnerability is CVE-2013-4277. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Subversion up to 1.8.2 (Versioning Software). It has been declared as critical. Affected by this vulnerability is the function write_pid_file of the component svnserve. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Svnserve in Apache Subversion 1.4.0 through 1.7.12 and 1.8.0 through 1.8.1 allows local users to overwrite arbitrary files or kill arbitrary processes via a symlink attack on the file specified by the --pid-file option.

The weakness was shared 08/30/2013 by Daniel Shahaf with Apache Infrastructure as confirmed advisory (Website). It is possible to read the advisory at subversion.apache.org. The vendor cooperated in the coordination of the public release. This vulnerability is known as CVE-2013-4277 since 06/12/2013. The attack can be launched remotely. A single authentication is required for exploitation. Technical details and also a exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 69546 (FreeBSD : svnserve is vulnerable to a local privilege escalation vulnerability via symlink attack. (f8a913cc-1322-11e3-8ffa-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 121449 (Apache Subversion Multiple Security Vulnerabilities).

Upgrading to version 1.8.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (86972), Tenable (69546), SecurityFocus (BID 62266†), OSVDB (96931†) and Secunia (SA54957†). The entries VDB-9826, VDB-10157, VDB-10158 and VDB-10160 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69546
Nessus Name: FreeBSD : svnserve is vulnerable to a local privilege escalation vulnerability via symlink attack. (f8a913cc-1322-11e3-8ffa-20cf30e32f6d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 866878
OpenVAS Name: Fedora Update for subversion FEDORA-2013-15717
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Subversion 1.8.3

Timelineinfo

06/12/2013 🔍
08/30/2013 +79 days 🔍
08/30/2013 +0 days 🔍
08/30/2013 +0 days 🔍
09/03/2013 +4 days 🔍
09/09/2013 +6 days 🔍
09/16/2013 +7 days 🔍
09/17/2013 +1 days 🔍
09/25/2013 +8 days 🔍
05/24/2021 +2798 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: subversion.apache.org
Researcher: Daniel Shahaf
Organization: Apache Infrastructure
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4277 (🔍)
GCVE (CVE): GCVE-0-2013-4277
GCVE (VulDB): GCVE-100-10159

OVAL: 🔍

X-Force: 86972 - Apache Subversion svnserve daemon symlink, Medium Risk
SecurityFocus: 62266
Secunia: 54957 - Gentoo update for subversion, Moderately Critical
OSVDB: 96931
Vulnerability Center: 41529 - Apache Subversion Local Authenticated Aribtrary File Overwrite or Arbitrary Process Kill, Low

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

Entryinfo

Created: 09/09/2013 17:11
Updated: 05/24/2021 08:40
Changes: 09/09/2013 17:11 (88), 05/11/2017 08:50 (1), 05/24/2021 08:40 (3)
Complete: 🔍
Committer:
Cache ID: 216:C57:103

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