CVE-2011-4360: Infoleak
First published: Tue Nov 29 2011(Updated: )
An information disclosure flaw was found in the way MediaWiki, the wiki engine, processed 'curid' and 'oldid' request paramaters. A remote attacker could use this flaw to enumerate page titles on private MediaWiki installations. Upstream bug report: [1] <a href="https://bugzilla.wikimedia.org/show_bug.cgi?id=32276">https://bugzilla.wikimedia.org/show_bug.cgi?id=32276</a> An information disclosure flaw was found in the way MediaWiki, the wiki engine, performed action=ajax requests dispatching to relevant internal functions. These requests were dispatched without any read permissions checks being done. A remote attacker could use this flaw to obtain data on private MediaWiki installations. Upstream bug report: [2] <a href="https://bugzilla.wikimedia.org/show_bug.cgi?id=32616">https://bugzilla.wikimedia.org/show_bug.cgi?id=32616</a> References: [3] <a href="http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-November/000104.html">http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-November/000104.html</a> [4] <a href="http://www.openwall.com/lists/oss-security/2011/11/29/6">http://www.openwall.com/lists/oss-security/2011/11/29/6</a> [5] <a href="https://bugs.gentoo.org/show_bug.cgi?id=392383">https://bugs.gentoo.org/show_bug.cgi?id=392383</a> Upstream patch (covering both of the issues): [6] <a href="http://www.mediawiki.org/wiki/Special:Code/MediaWiki/104506">http://www.mediawiki.org/wiki/Special:Code/MediaWiki/104506</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki | <1.17.1 | |
| Debian Linux | =5.0 | |
| Debian Linux | =6.0 |
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Reference Links
- https://bugzilla.wikimedia.org/show_bug.cgi?id=32276
- https://bugzilla.wikimedia.org/show_bug.cgi?id=32616
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-November/000104.html
- http://www.openwall.com/lists/oss-security/2011/11/29/6
- https://bugs.gentoo.org/show_bug.cgi?id=392383
- http://www.mediawiki.org/wiki/Special:Code/MediaWiki/104506
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=758174
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=758175
- https://access.redhat.com/security/cve/CVE-2011-4360
- https://access.redhat.com/security/cve/CVE-2011-4361
- http://www.openwall.com/lists/oss-security/2011/11/29/12
- https://bugzilla.redhat.com/show_bug.cgi?id=758171
- http://openwall.com/lists/oss-security/2011/11/29/12
- http://openwall.com/lists/oss-security/2011/11/29/6
- http://www.debian.org/security/2011/dsa-2366
Frequently Asked Questions
What is the severity of CVE-2011-4360?
CVE-2011-4360 has a moderate severity rating, allowing information disclosure on private MediaWiki installations.
How do I fix CVE-2011-4360?
To fix CVE-2011-4360, upgrade to MediaWiki version 1.17.1 or later to patch the vulnerability.
What kind of attack can exploit CVE-2011-4360?
CVE-2011-4360 can be exploited by remote attackers to enumerate private page titles through crafted 'curid' and 'oldid' parameters.
Which versions of MediaWiki are affected by CVE-2011-4360?
MediaWiki versions prior to 1.17.1 are vulnerable to CVE-2011-4360.
Is there a specific operating system affected by CVE-2011-4360?
Yes, CVE-2011-4360 affects installations of MediaWiki on Debian GNU/Linux versions 5.0 and 6.0.
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