TITLE:
Lurker Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA19136

VERIFY ADVISORY:
http://secunia.com/advisories/19136/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data, Exposure of sensitive information, Cross Site
Scripting

WHERE:
>From remote

SOFTWARE:
Lurker 1.x
http://secunia.com/product/8574/
Lurker 2.x
http://secunia.com/product/8573/

DESCRIPTION:
Some vulnerabilities have been reported in Lurker, which can be
exploited by malicious people to conduct cross-site scripting
attacks, and disclose and manipulate sensitive information.

1) An unspecified input validation error in "lurker.cgi" can be
exploited to disclose the content of arbitrary files.

2) An unspecified error can be exploited to create or overwrite
arbitrary files in any directory called "mbox".

3) Some unspecified input isn't properly sanitised before being
returned to the user. This can be exploited to execute arbitrary HTML
and script code in a user's browser session in context of an affected
site.

The vulnerabilities have been reported in versions 0.1a through 2.0.

SOLUTION:
Update to version 2.1.
http://sourceforge.net/project/showfiles.php?group_id=8168

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Moritz Naumann.

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