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TITLE:
Sybase SQL Anywhere MobiLink Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA29045

VERIFY ADVISORY:
http://secunia.com/advisories/29045/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From local network

SOFTWARE:
Sybase SQL Anywhere 10.x
http://secunia.com/product/17729/

DESCRIPTION:
Luigi Auriemma has discovered a vulnerability in Sybase MobiLink,
which can be exploited by malicious people to cause a DoS (Denial of
Service) or to compromise a vulnerable system.

The vulnerability is caused due to a boundary error within the
MobiLink server (mlsrv10.exe) and can be exploited to cause a
heap-based buffer overflow by sending a specially crafted packet
containing e.g. an overly long username to the service (by default
port 2439/TCP).

The vulnerability is confirmed in Mobilink server version 10.0.1.3415
included in SQL Anywhere Developer Edition 10.0.1.3415. 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/mobilinkhof-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:
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
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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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