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From:	SECUNIA <support_(at)_secunia.com>
Date:	17.01.2005
Subject:	[SA13869] SafeHTML Hexadecimal HTML Entities Security Bypass

TITLE:
SafeHTML Hexadecimal HTML Entities Security Bypass

SECUNIA ADVISORY ID:
SA13869

VERIFY ADVISORY:
http://secunia.com/advisories/13869/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
SafeHTML 1.x
http://secunia.com/product/4527/

DESCRIPTION:
Christian Stocker has reported a vulnerability in SafeHTML, which can
be exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to an error in the handling of
hexadecimal HTML entities. This can be exploited to bypass the
blocking of dangerous content in HTML in an application using
SafeHTML for parsing HTML code.

SOLUTION:
Update to version 1.2.1:
http://pixel-apes.com/download/safehtml-1.2.1.zip

PROVIDED AND/OR DISCOVERED BY:
Christian Stocker

----------------------------------------------------------------------

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

Subscribe:
http://secunia.com/secunia_security_advisories/

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.