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Date: Mon, 16 Mar 2015 11:33:24 +0800
From: Marina Glancy <marina@...dle.com>
To: oss-security@...ts.openwall.com
Subject: Moodle security issues made public

The following security notifications have now been made public. Thanks
to OSS members for their cooperation.

Marina Glancy
Development Process Manager

marina@...dle.com
+61894674167 | moodle.com
The world's open source learning platform


==============================================================================
MSA-15-0010: Personal contacts and number of unread messages can be revealed

Description:       By modifying URL a logged in user can view the list of
                   another user's contacts, number of unread messages and list
                   of their courses.
Issue summary:     Personal contacts and number of unread messages can be
                   revealed
Severity/Risk:     Minor
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Barry Oosthuizen
Issue no.:         MDL-49204
Workaround:        Disable messaging on site
CVE identifier:    CVE-2015-2266
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49204

==============================================================================
MSA-15-0011: Authentication in mdeploy can be bypassed

Description:       Theoretically possible to extract files anywhere on the
                   system where the web server has write access. Although it
                   is quite difficult to exploit since attacking user must
                   know details about the system and already have significant
                   permissions on the site.
Issue summary:     Authentication in mdeploy can be bypassed
Severity/Risk:     Serious
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Frédéric Massart
Issue no.:         MDL-49087
Workaround:        Delete the file mdeploy.php or prevent access to it in the
                   web server config
CVE identifier:    CVE-2015-2267
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49087

==============================================================================
MSA-15-0012: ReDoS Possible with Convert links to URLs filter

Description:       Not optimal regular expression in the filter could be
                   exploited to create extra server load or make particular
                   page unavailable
Issue summary:     ReDoS Possible with Convert links to URLs filter
Severity/Risk:     Serious
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Rob
Issue no.:         MDL-38466
Workaround:        Disable links to URLs filter
CVE identifier:    CVE-2015-2268
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38466

==============================================================================
MSA-15-0013: Block title not properly escaped and may cause HTML injection

Description:       It is possible to create HTML injection through blocks with
                   configurable titles, however this could only be exploited
                   by users who are already marked as XSS-trusted
Issue summary:     Block title not properly escaped and may cause HTML
                   injection
Severity/Risk:     Minor
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Gjoko Krstic
Issue no.:         MDL-49144
CVE identifier:    CVE-2015-2269
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49144

==============================================================================
MSA-15-0014: Potential information disclosure for the inaccessible courses

Description:       For the custom themes that use blocks regions in the base
                   layout the blocks for inaccessible courses could be
                   displayed together with sensible course-related
                   information. Majority of the themes, including all standard
                   Moodle themes, are not affected.
Issue summary:     Guest user can see course information they should not be
                   able to via require_login
Severity/Risk:     Minor
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Sam Hemelryk
Issue no.:         MDL-48804
CVE identifier:    CVE-2015-2270
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-48804

==============================================================================
MSA-15-0015: User without proper permission is able to mark the tag as
inappropriate

Description:       Very minor case of not respecting capability, it does not
                   affect majority of sites since this capability is given to
                   authenticated users by default
Issue summary:     Capability moodle/tag:flag not observed
Severity/Risk:     Minor
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Frédéric Massart
Issue no.:         MDL-49084
CVE identifier:    CVE-2015-2271
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49084

==============================================================================
MSA-15-0016: Web services token can be created for user with temporary
password

Description:       Even when user's password is forced to be changed on login,
                   user could still use it for authentication in order to
                   create the web service token and therefore extend the life
                   of the temporary password via web services.
Issue summary:     login/token.php does not check if auth_forcepasswordchange
                   is on for the user
Severity/Risk:     Serious
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Juan Leyva
Issue no.:         MDL-48691
CVE identifier:    CVE-2015-2272
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-48691

==============================================================================
MSA-15-0017: XSS in quiz statistics report

Description:       Quiz statistics report did not properly escape student
                   responses and could be used for XSS attack
Issue summary:     XSS in quiz statistics report
Severity/Risk:     Minor
Versions affected: 2.8 to 2.8.3, 2.7 to 2.7.5, 2.6 to 2.6.8 and earlier
                   unsupported versions
Versions fixed:    2.8.4, 2.7.6 and 2.6.9
Reported by:       Tim Hunt
Issue no.:         MDL-49364
CVE identifier:    CVE-2015-2273
Changes (master):
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49364

==============================================================================

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