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TITLE:
WeBWorK "PG Problem Editor" File Access Vulnerability

SECUNIA ADVISORY ID:
SA20405

VERIFY ADVISORY:
http://secunia.com/advisories/20405/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Exposure of system information, Exposure of
sensitive information

WHERE:
>From remote

SOFTWARE:
WeBWorK Online Homework Delivery System 2.x
http://secunia.com/product/6953/

DESCRIPTION:
A vulnerability has been reported in WeBWorK, which can be exploited
by malicious users to disclose potentially sensitive information and
bypass certain security restrictions.

The vulnerability is caused due to an error within the PG Problem
Editor. This can be exploited to read and save files outside of the
specified template directory.

The vulnerability has been reported in version 2.2.0. Prior versions
may also be affected.

SOLUTION:
Update to version 2.2.1.
http://sourceforge.net/project/showfiles.php?group_id=93112

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://sourceforge.net/project/shownotes.php?release_id=421453

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