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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
Essentia Web Server GET/POST Buffer Overflow

SECUNIA ADVISORY ID:
SA22718

VERIFY ADVISORY:
http://secunia.com/advisories/22718/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Essentia Web Server 2.x
http://secunia.com/product/12507/

DESCRIPTION:
CorryL has discovered a vulnerability in Essentia Web Server, which
can be exploited by malicious people to cause to compromise a
vulnerable system.

The vulnerability is caused due to a boundary error when processing
HTTP requests.  This can be exploited to cause a stack-based buffer
overflow via an overly long (more than 6000 bytes) GET or POST
request.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 2.15. Other versions may
also be affected.

SOLUTION:
Filter overly long GET or POST requests in a proxy or firewall with
URL filtering capabilities.

PROVIDED AND/OR DISCOVERED BY:
CorryL

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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.

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.

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