oss-sec mailing list archives

Re: CVE request - phpCAS: prevent symlink attacks, directory traversal and XSS during a proxy callback


From: Josh Bressers <bressers () redhat com>
Date: Fri, 1 Oct 2010 15:33:42 -0400 (EDT)

Sorry for the delay:

CVE-2010-3690 phpCAS: XSS during a proxy callback
CVE-2010-3691 phpCAS: prevent symlink attacks during a proxy callback
CVE-2010-3692 phpCAS: directory traversal during a proxy callback

Thanks.

-- 
    JB


----- "Joachim Fritschi" <fritschi () hrz tu-darmstadt de> wrote:

Reported by Raphael Geissert almost 2 years ago but never really made
it 
into the upstream code:

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=495542#82

In phpCAS proxy mode the parameters submitted during a callback to the

callback() function are not properly sanatized. The parameters are
used 
as file handles for filesystem access and parameters in urls.
This allows an attacker symlink attacks, directory traversal attacks
and 
XSS attacks. The issue has been fixed and patches are available:

https://issues.jasig.org/browse/PHPCAS-80
https://developer.jasig.org/source/changelog/jasigsvn?cs=21538

A new 1.1.3 release which contains the patch and various other
bugfixes 
will be released within the next few days.

Cheers,

Joachim


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