Bug 1293847 (CVE-2015-8622, CVE-2015-8623, CVE-2015-8624, CVE-2015-8625, CVE-2015-8626, CVE-2015-8627, CVE-2015-8628)

Summary:	CVE-2015-8622 CVE-2015-8623 CVE-2015-8624 CVE-2015-8625 CVE-2015-8626 CVE-2015-8627 CVE-2015-8628 mediawiki: multiple flaws fixed in 1.26.1, 1.25.4, 1.24.5, and 1.23.12
Product:	[Other] Security Response	Reporter:	Martin Prpič <mprpic>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	extras-orphan, gwync, mike, puiterwijk
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	mediawiki 1.26.1, mediawiki 1.25.4, mediawiki 1.24.5, mediawiki 1.23.12	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 02:46:46 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	1293848, 1293849
Bug Blocks:

Description Martin Prpič 2015-12-23 09:30:31 UTC

Several flaws were found in Mediawiki:

* (T117899) XSS from wikitext when $wgArticlePath='$1'. Internal review
discovered an XSS vector when MediaWiki is configured with a non-standard
configuration.
<https://phabricator.wikimedia.org/T117899>

* (T119309) User::matchEditToken should use constant-time string
comparison. Internal review discovered that tokens were being compared as
strings, which could allow a timing attack. This should possibly have 2
CVE's assigned, one for the original patch to use hash_equals in
https://gerrit.wikimedia.org/r/#/c/156336/5/includes/User.php (released as
part of MediaWiki 1.25, and backported to 1.24 and 1.23 as part of this
patch) and one to fix T119309, related to the debugging statement.
<https://phabricator.wikimedia.org/T119309>

* (T118032) Error thrown by VirtualRESTService when POST variable starts
with '@'. Internal review discovered that MediaWiki was not sanitizing
parameters passed to the curl library, which could cause curl to upload
files from the webserver to an attacker.
<https://phabricator.wikimedia.org/T118032>

* (T115522) Passwords generated by User::randomPassword() may be shorter
than $wgMinimalPasswordLength. MediaWiki user Frank R. Farmer reported that
the password reset token could be shorter than the minimum required
password length.
<https://phabricator.wikimedia.org/T115522>

* (T97897) Incorrect parsing of IPs for global block. Wikimedia steward
Vituzzu reported that blocking IP addresses with zero-padded octets
resulted in a failure to block the IP address.
<https://phabricator.wikimedia.org/T97897>

* (T109724) A combination of Special:MyPage redirects and pagecounts allows
an external site to know the wikipedia login of an user. Wikimedia
user Xavier Combelle reported a way to identify user, when detailed page
view data is also released.
<https://phabricator.wikimedia.org/T109724>

CVE request and original report:

http://openwall.com/lists/oss-security/2015/12/21/8

Comment 1 Martin Prpič 2015-12-23 09:31:04 UTC

Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 1293848]
Affects: epel-all [bug 1293849]

Comment 2 Fedora Update System 2016-01-02 22:20:30 UTC

mediawiki-1.26.2-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2016-01-08 03:26:42 UTC

mediawiki-1.26.2-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

Comment 4 Product Security DevOps Team 2019-06-08 02:46:46 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.