MediaWiki up to 1.24.1 PBKDF2 Long Password resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability has been found in MediaWiki up to 1.24.1 (Content Management System) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component PBKDF2. The manipulation as part of a Long Password leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:
MediaWiki 1.24.x before 1.24.2, when using PBKDF2 for password hashing, allows remote attackers to cause a denial of service (CPU consumption) via a long password.
The weakness was presented 03/31/2015 by Bawolff with iSEC Partners (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2015-2936 since 04/07/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 82686 (Mandriva Linux Security Advisory : mediawiki (MDVSA-2015:200)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13127 (Mediawiki Multiple Vulnerabilities (MediaWiki Security Release: 1.19.24, 1.23.9 and 1.24.2)).
Upgrading to version 1.24.2 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (82686). See 74798, 74799, 74800 and 74801 for similar entries.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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unlock | unlock | unlock | unlock | unlock | unlock |
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Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 82686
Nessus Name: Mandriva Linux Security Advisory : mediawiki (MDVSA-2015:200)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 801900
OpenVAS Name: MediaWiki Multiple Vulnerabilities - Mar15 (Windows)
OpenVAS File: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: MediaWiki 1.24.2
Timeline
03/31/2015 🔍03/31/2015 🔍
04/07/2015 🔍
04/13/2015 🔍
04/13/2015 🔍
04/14/2015 🔍
04/26/2015 🔍
05/03/2022 🔍
Sources
Product: mediawiki.orgAdvisory: openwall.com
Researcher: Bawolff
Organization: iSEC Partners
Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-2936 (🔍)
Vulnerability Center: 49880 - MediaWiki 1.24.x before 1.24.2 Remote DoS Vulnerability via a Long Password, Medium
SecurityFocus: 73477 - MediaWiki Multiple Security Vulnerabilities
See also: 🔍
Entry
Created: 04/14/2015 09:53Updated: 05/03/2022 21:42
Changes: 04/14/2015 09:53 (63), 06/27/2017 03:49 (10), 05/03/2022 21:42 (3)
Complete: 🔍
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