Vulnerability CVE-2014-1610
Published: 2014-01-30   Modified: 2014-01-31

Description:
MediaWiki 1.22.x before 1.22.2, 1.21.x before 1.21.5, and 1.19.x before 1.19.11, when DjVu or PDF file upload support is enabled, allows remote attackers to execute arbitrary commands via shell metacharacters in (1) the page parameter to includes/media/DjVu.php; (2) the w parameter (aka width field) to thumb.php, which is not properly handled by includes/media/PdfHandler_body.php; and possibly unspecified vectors in (3) includes/media/Bitmap.php and (4) includes/media/ImageHandler.php.

See advisories in our WLB2 database:
Topic
Author
Date
High
MediaWiki <= 1.22.1 PdfHandler Remote Code Execution Exploit
Xelenonz
02.02.2014
High
MediaWiki Thumb.php Remote Command Execution
19.02.2014
High
MediaWiki Thumb.php Remote Command Execution
Brandon Perry
19.02.2014

Type:

CWE-78

 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') )

CVSS2 => (AV:N/AC:M/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6/10
6.4/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Mediawiki -> Mediawiki 

 References:
https://gerrit.wikimedia.org/r/#/c/110215/
https://gerrit.wikimedia.org/r/#/c/110069/2/includes/media/Bitmap.php
https://gerrit.wikimedia.org/r/#/c/110069/
https://bugzilla.wikimedia.org/show_bug.cgi?id=60339
https://bugzilla.wikimedia.org/attachment.cgi?id=14384&action=diff
https://bugzilla.wikimedia.org/attachment.cgi?id=14361&action=diff
http://www.securitytracker.com/id/1029707
http://www.securityfocus.com/bid/65223
http://www.exploit-db.com/exploits/31329/
http://www.debian.org/security/2014/dsa-2891
http://www.checkpoint.com/threatcloud-central/articles/2014-01-28-tc-researchers-discover.html
http://www.checkpoint.com/defense/advisories/public/2014/cpai-26-jan.html
http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-January/000140.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127948.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127942.html
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