Apache HTTP Server 2.4.1/2.4.2 mod_wsgi setuid access control

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apache HTTP Server 2.4.1/2.4.2. Affected by this issue is the function setuid of the component mod_wsgi. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2014-0240. No exploit is available.

Detailsinfo

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. Once again VulDB remains the best 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: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 (🔍)
GCVE (CVE): GCVE-0-2014-0240
GCVE (VulDB): GCVE-100-13300

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 16:57
Updated: 06/20/2021 09:42
Changes: 05/22/2014 16:57 (81), 05/29/2017 08:55 (2), 06/20/2021 09:42 (3)
Complete: 🔍
Cache ID: 216:9B2:103

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