SB2015010403 - Multiple vulnerabilities in MediaWiki
Published: January 4, 2015 Updated: December 22, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2014-9507)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows remote attackers to conduct cross-site scripting (XSS) attacks by setting the content model for a revision to JS.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Command Injection (CVE-ID: CVE-2014-9277)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The wfMangleFlashPolicy function in OutputHandler.php in MediaWiki before 1.19.22, 1.20.x through 1.22.x before 1.22.14, and 1.23.x before 1.23.7 allows remote attackers to conduct PHP object injection attacks via a crafted string containing <cross-domain-policy> in a PHP format request, which causes the string length to change when converting the request to <NOT-cross-domain-policy>.
3) Cross-site scripting (CVE-ID: CVE-2014-9276)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows remote attackers to hijack the authentication of users with edit permissions for requests that cross-site scripting (XSS) attacks via the wpInput parameter, which is not properly handled in the preview.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.
References
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-November/000170.html
- https://phabricator.wikimedia.org/T72901
- http://securitytracker.com/id?1031301
- http://www.debian.org/security/2014/dsa-3100
- http://www.openwall.com/lists/oss-security/2014/12/03/9
- http://www.openwall.com/lists/oss-security/2014/12/04/16
- https://phabricator.wikimedia.org/T73478
- https://phabricator.wikimedia.org/T73111