Multiple vulnerabilities in MediaWiki

Published: 2014-06-02 | Updated: 2020-08-10

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2012-5391 CVE-2012-5395
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	MediaWiki Web applications / CMS
Vendor	MediaWiki.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU41591

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-5391

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id. Per: http://cwe.mitre.org/data/definitions/384.html "CWE-384: Session Fixation"

Mitigation

Install update from vendor's website.

Vulnerable software versions

MediaWiki: 1.18 - 1.20

CPE2.3

External links

https://lists.fedoraproject.org/pipermail/package-announce/2013-February/098975.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-March/100843.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-March/100845.html
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html
https://bugzilla.wikimedia.org/show_bug.cgi?id=40995
https://exchange.xforce.ibmcloud.com/vulnerabilities/83008

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU41592