Apache Subversion 1.7.13 mod_dontdothat access control

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apache Subversion 1.7.13. The affected element is an unknown function of the component mod_dontdothat. Performing a manipulation results in access control. This vulnerability is known as CVE-2013-4505. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apache Subversion 1.7.13 (Versioning Software). This affects some unknown processing of the component mod_dontdothat. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability. The summary by CVE is:

The is_this_legal function in mod_dontdothat for Apache Subversion 1.4.0 through 1.7.13 and 1.8.0 through 1.8.4 allows remote attackers to bypass intended access restrictions and possibly cause a denial of service (resource consumption) via a relative URL in a REPORT request.

The weakness was published 11/25/2013 by Ben Reser with WANdisco, Inc. as mod_dontdothat does not restrict requests from serf based clients. as confirmed advisory (Website). The advisory is shared at subversion.apache.org. The public release has been coordinated with Apache. This vulnerability is uniquely identified as CVE-2013-4505 since 06/12/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 71581 (Amazon Linux AMI : subversion (ALAS-2013-269)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350475 (Amazon Linux Security Advisory for subversion: ALAS-2013-269).

Upgrading to version 1.7.14 or 1.8.5 eliminates this vulnerability. The upgrade is hosted for download at subversion.apache.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (71581), SecurityFocus (BID 63966†), OSVDB (100364†), Secunia (SA55855†) and Vulnerability Center (SBV-42452†). Similar entry is available at VDB-11324. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 71581
Nessus Name: Amazon Linux AMI : subversion (ALAS-2013-269)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 867116
OpenVAS Name: Fedora Update for subversion FEDORA-2013-22208
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 1.7.14/1.8.5

Timelineinfo

06/12/2013 🔍
11/25/2013 +166 days 🔍
11/25/2013 +0 days 🔍
11/27/2013 +1 days 🔍
11/27/2013 +0 days 🔍
11/27/2013 +0 days 🔍
11/29/2013 +2 days 🔍
12/03/2013 +4 days 🔍
12/07/2013 +4 days 🔍
12/23/2013 +16 days 🔍
06/02/2021 +2718 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: mod_dontdothat does not restrict requests from serf based clients.
Researcher: Ben Reser
Organization: WANdisco, Inc.
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4505 (🔍)
GCVE (CVE): GCVE-0-2013-4505
GCVE (VulDB): GCVE-100-11325

OVAL: 🔍

SecurityFocus: 63966
Secunia: 55855 - Apache Subversion mod_dontdothat Path Matching Security Bypass Security Issue, Less Critical
OSVDB: 100364
Vulnerability Center: 42452 - Apache Subversion Remote Security Bypass Vulnerability in mod_dontdothat, Low

See also: 🔍

Entryinfo

Created: 11/29/2013 13:39
Updated: 06/02/2021 14:44
Changes: 11/29/2013 13:39 (82), 05/16/2017 04:37 (3), 06/02/2021 14:41 (4), 06/02/2021 14:44 (1)
Complete: 🔍
Committer:
Cache ID: 216:7B1:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!