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TITLE:
Foxit WAC Server Telnet Denial of Service

SECUNIA ADVISORY ID:
SA28272

VERIFY ADVISORY:
http://secunia.com/advisories/28272/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Foxit WAC Server 2.x
http://secunia.com/product/17086/

DESCRIPTION:
Luigi Auriemma has discovered a vulnerability in Foxit WAC Server,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the Foxit WAC Server
service (wacsvr.exe) and can be exploited to cause the service to
crash via a specially crafted packet sent to the Telnet port (default
port 23/TCP).

The vulnerability is confirmed in version 2.0 build 3503 and reported
in version 2.1.0.910. Other versions may also be affected.

SOLUTION:
Restrict network access to the service.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/waccaz-adv.txt

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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:
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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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