Bug 620751 - (CVE-2010-2796) CVE-2010-2796 php-pear-CAS: XSS in proxy mode (PHPCAS-67)
CVE-2010-2796 php-pear-CAS: XSS in proxy mode (PHPCAS-67)
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
public=20100803,reported=20100802,sou...
: Security
Depends On: 620753 620759 620772
Blocks:
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Reported: 2010-08-03 08:07 EDT by Jan Lieskovsky
Modified: 2016-03-04 06:07 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-08-22 02:12:39 EDT
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Description Jan Lieskovsky 2010-08-03 08:07:56 EDT
Joachim Fritschi (upstream phpCAS developer) noticed:
  [1] https://issues.jasig.org/browse/PHPCAS-67

the Central Authentication Service (CAS) client library improperly
encoded the callback URLs (generated to validate service tickets) 
provided to CAS proxies. A remote attacker could use this flaw
to conduct cross-site scripting (XSS) attacks by providing a specially-crafted
value for service ticket.

Upstream patch:
  [2] https://developer.jasig.org/source/changelog/jasigsvn/cas-clients/phpcas/trunk/source?cs=20823
Comment 1 Jan Lieskovsky 2010-08-03 08:09:20 EDT
This flaw affects the versions of the php-pear-CAS package, as shipped
with Fedora release of 12 and 13.

Please fix.
Comment 3 Jan Lieskovsky 2010-08-03 08:33:12 EDT
This issue affects the versions of the glpi package, as shipped
with Fedora release of 12 and 13.

Please fix.
Comment 6 Jan Lieskovsky 2010-08-03 08:53:36 EDT
This issue affects the versions of the moodle package, as shipped
with Fedora release of 12 and 13.

This issue affects the versions of the moodle package, as shipped
within EPEL-4 and EPEL-5 repositories.

Please fix.
Comment 7 Jan Lieskovsky 2010-08-03 09:11:41 EDT
Created php-pear-CAS tracking bugs for this issue

Affects: fedora-all [bug 620753]
Comment 8 Jan Lieskovsky 2010-08-03 09:11:44 EDT
Created glpi tracking bugs for this issue

Affects: fedora-all [bug 620759]
Comment 9 Jan Lieskovsky 2010-08-03 09:11:46 EDT
Created moodle tracking bugs for this issue

Affects: fedora-all [bug 620772]
Comment 10 Remi Collet 2010-08-03 11:50:47 EDT
glpi is not affected as it (now) uses the system version of phpCas.

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