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Hardcore Disassembler / Reverse Engineer Wanted!

Want to work with IDA and BinDiff?
Want to write PoC's and Exploits?

Your nationality is not important.
We will get you a work permit, find an apartment, and offer a
relocation compensation package.

http://secunia.com/hardcore_disassembler_and_reverse_engineer/

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TITLE:
Ajax Chat Cross-Site Scripting and Information Disclosure

SECUNIA ADVISORY ID:
SA21286

VERIFY ADVISORY:
http://secunia.com/advisories/21286/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Ajax Chat 0.x
http://secunia.com/product/11193/

DESCRIPTION:
Sirdarckcat has discovered two vulnerabilities in Ajax Chat, which
can be exploited by malicious people to conduct cross-site scripting
attacks and disclose sensitive information.

1) Input passed to the "chatid" parameter in
includes/operator_chattranscript.php isn't properly sanitised before
being used in a "fopen()" call. This can be exploited to disclose the
content of arbitrary files structured in a certain way via directory
traversal attacks.

2) Input passed to the "userid" parameter in
visitor/livesupport/chat.php 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 confirmed in version 0.1. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Sirdarckcat

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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