MediaWiki Multiple Security Vulnerabilities

BID:73477

Info

MediaWiki Multiple Security Vulnerabilities

Bugtraq ID: 73477
Class: Input Validation Error
CVE: CVE-2015-2931
CVE-2015-2932
CVE-2015-2933
CVE-2015-2934
CVE-2015-2935
CVE-2015-2936
CVE-2015-2937
CVE-2015-2938
CVE-2015-2939
CVE-2015-2940
CVE-2015-2941
CVE-2015-2942
Remote: Yes
Local: No
Published: Mar 31 2015 12:00AM
Updated: Dec 08 2015 10:03PM
Credit: iSEC Partners, Bawolff, Jackmcbarn and the vendor.
Vulnerable: Gentoo Linux
Not Vulnerable:

Discussion

MediaWiki Multiple Security Vulnerabilities

MediaWiki is prone to the following security vulnerabilities:

1. An arbitrary file-upload vulnerability
2. Multiple security-bypass vulnerabilities
3. An HTML-injection vulnerability
4. Multiple denial-of-service vulnerabilities
5. A privilege-escalation vulnerability
6. A cross-site scripting vulnerability
7. A cross-site request forgery vulnerability

An attacker can exploit these issues to perform unauthorized actions, bypass security restrictions, cause denial-of-service conditions, execute attacker-supplied HTML or JavaScript code in the context of the affected site, to steal cookie-based authentication credentials, upload arbitrary files, execute arbitrary code, or gain elevated privileges. This may aid in further attacks.

Versions prior to MediaWiki 1.19.24, 1.23.9 and 1.24.2 are vulnerable.

Exploit / POC

MediaWiki Multiple Security Vulnerabilities

Attackers can exploit this issue using a browser or readily available tools.

Solution / Fix

MediaWiki Multiple Security Vulnerabilities

Solution:
Updates are available. Please see the references or vendor advisory for more information.

References

MediaWiki Multiple Security Vulnerabilities

References:

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