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TITLE:
Checkpoint Connectra NGX "dir" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA31553

VERIFY ADVISORY:
http://secunia.com/advisories/31553/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

OPERATING SYSTEM:
Check Point Connectra Appliances
http://secunia.com/advisories/product/13352/

DESCRIPTION:
Sarid Harper has reported a vulnerability in Checkpoint Connectra
NGX, which can be exploited by malicious people to conduct cross-site
scripting attacks.

Input passed to the "dir" parameter in index.php is not 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 vulnerability is reported in Checkpoint Connectra NGX R62 HFA_01,
Hotfix 601, Builds 006 and 014. Other versions may also be affected.

SOLUTION:
Filter malicious characters and character sequences in a proxy.

PROVIDED AND/OR DISCOVERED BY:
Sarid Harper

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