VDB-70481 · CVE-2013-7393 · BID 62266

Apache Subversion 1.8.0/1.8.1 Privileges link following

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.00

A vulnerability, which was classified as problematic, has been found in Apache Subversion 1.8.0/1.8.1 (Versioning Software). This issue affects an unknown code block of the component Privileges. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is integrity, and availability. The summary by CVE is:

The daemonize.py module in Subversion 1.8.0 before 1.8.2 allows local users to gain privileges via a symlink attack on the pid file created for (1) svnwcsub.py or (2) irkerbridge.py when the --pidfile option is used. NOTE: this issue was SPLIT from CVE-2013-4262 based on different affected versions (ADT3).

The weakness was released 07/28/2014 (Website). The advisory is shared at subversion.apache.org. The identification of this vulnerability is CVE-2013-7393 since 07/28/2014. The exploitation is known to be difficult. An attack has to be approached locally. The requirement for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 71567 (Apache Subversion 1.8.x < 1.8.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading to version 1.8.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (71567). Entries connected to this vulnerability are available at 10157, 10158, 10159 and 10160.

Productinfo

Type

Versioning Software

Vendor

Apache

Name

Subversion

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.6
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 71567
Nessus Name: Apache Subversion 1.8.x < 1.8.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Subversion 1.8.0

Timelineinfo

08/21/2013 🔍
12/20/2013 +121 days 🔍
07/28/2014 +220 days 🔍
07/28/2014 +0 days 🔍
07/28/2014 +0 days 🔍
03/26/2015 +241 days 🔍
03/11/2019 +1446 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: subversion.apache.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-7393 (🔍)
SecurityFocus: 62266

See also: 🔍

Entryinfo

Created: 03/26/2015 12:07
Updated: 03/11/2019 15:58
Changes: 03/26/2015 12:07 (52), 03/11/2019 15:58 (8)
Complete: 🔍