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Hardcore Disassembler / Reverse Engineer

Reversing must be a passion as your skills will be challenged
on a daily basis and you will be working several hours
everyday in IDA, Ollydbg, and with BinDiff. Often, it is also
required that you write a PoC or even a working exploit to
prove that an issue is exploitable.

http://secunia.com/hardcore_disassembler_and_reverse_engineer/

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TITLE:
MIMEsweeper for Web Cross-Site Scripting and Denial of Service

SECUNIA ADVISORY ID:
SA20998

VERIFY ADVISORY:
http://secunia.com/advisories/20998/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, DoS

WHERE:
>From remote

SOFTWARE:
MIMEsweeper for Web 5.x
http://secunia.com/product/3779/

DESCRIPTION:
Two vulnerabilities have been reported in MIMEsweeper for Web, which
can be exploited by malicious people to cause a DoS (Denial of
Service) and conduct cross-site scripting attacks.

1) Input passed via the URL when attempting to access blocked web
sites (as defined by the MIMEsweeper policy) isn't properly sanitised
before being returned to the user via an error page. This can be
exploited to execute arbitrary HTML and script code in a user's
browser session in context of an arbitrary blocked web site.

Example:
http://[blocked web site]/[code]

2) An error in the scanning functionality can be exploited to crash
the Web Policy Engine service via a specially crafted, encrypted RAR
archive.

SOLUTION:
Update to version 5.1.15.
http://www.clearswift.com/support/msw/patch_MswWeb.aspx

PROVIDED AND/OR DISCOVERED BY:
1) Erez Metula
2) Reported by the vendor.

ORIGINAL ADVISORY:
Clearswift:
http://download.mimesweeper.com/www/TechnicalDocumentation/WebReadMeHotfix5115.htm

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About:
This Advisory was delivered by Secunia as a free service to help
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http://secunia.com/about_secunia_advisories/


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Secunia NEVER sends attached files with advisories.
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