Apache HTTP Server 2.4.1/2.4.2 mod_wsgi setuid 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

A vulnerability was found in Apache HTTP Server 2.4.1/2.4.2 (Web Server). It has been declared as critical. This vulnerability affects the function setuid of the component mod_wsgi. 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, and integrity. CVE summarizes:

The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid when run on certain Linux kernels, which allows local users to gain privileges via vectors related to the number of running processes.

The weakness was published 05/21/2014 by Robert Kisteleki as confirmed mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2014-0240 since 12/03/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 74185 (Ubuntu 12.04 LTS / 13.10 / 14.04 LTS : mod-wsgi vulnerabilities (USN-2222-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350354 (Amazon Linux Security Advisory for mod24_wsgi: ALAS-2014-375).

The vulnerability is also documented in the databases at X-Force (93263), Tenable (74185), SecurityFocus (BID 67532†), Secunia (SA60094†) and Vulnerability Center (SBV-44667†). Similar entry is available at VDB-13299.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
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: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 74185
Nessus Name: Ubuntu 12.04 LTS / 13.10 / 14.04 LTS : mod-wsgi vulnerabilities (USN-2222-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702937
OpenVAS Name: Debian Security Advisory DSA 2937-1 (mod-wsgi - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/03/2013 🔍
05/21/2014 +169 days 🔍
05/21/2014 +0 days 🔍
05/21/2014 +0 days 🔍
05/22/2014 +1 days 🔍
05/27/2014 +5 days 🔍
05/27/2014 +0 days 🔍
05/28/2014 +1 days 🔍
08/26/2014 +90 days 🔍
06/20/2021 +2490 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: seclists.org
Researcher: Robert Kisteleki
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0240 (🔍)
OVAL: 🔍

X-Force: 93263 - mod_wsgi module for Apache privilege escalation, Medium Risk
SecurityFocus: 67532 - Apache 'mod_wsgi' Module Local Privilege Escalation Vulnerability
Secunia: 60094 - Red Hat update for mod_wsgi, Less Critical
Vulnerability Center: 44667 - mod_wsgi Module for Apache Local Host Privilege Vulnerability due to Wrong Error Code Handling, Medium

See also: 🔍

Entryinfo

Created: 05/22/2014 04:57 PM
Updated: 06/20/2021 09:42 AM
Changes: 05/22/2014 04:57 PM (81), 05/29/2017 08:55 AM (2), 06/20/2021 09:42 AM (3)
Complete: 🔍
Cache ID: 18:734:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!