Secunia Security Advisory - A vulnerability has been discovered in Planet, which can be exploited by malicious people to bypass certain security restrictions.
48ec5cbc7082aa4f849282f0437d5740e77c46d1055cf278b85173b41dd3ba94
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TITLE:
Planet Script HTML Sanitation Security Bypass Vulnerability
SECUNIA ADVISORY ID:
SA36636
VERIFY ADVISORY:
http://secunia.com/advisories/36636/
DESCRIPTION:
A vulnerability has been discovered in Planet, which can be exploited
by malicious people to bypass certain security restrictions.
The HTML filter does not sanitise HTML "img" tags correctly. This can
be exploited to insert arbitrary HTML and script code, which will be
executed in a user's browser session in context of an affected site
when a page which has been generated using malicious feed data is
being viewed.
The vulnerability is confirmed in version 2.0. Other versions may
also be affected.
SOLUTION:
Process data from trusted feeds only.
PROVIDED AND/OR DISCOVERED BY:
Steve Kemp
ORIGINAL ADVISORY:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=546178
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