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TITLE:
Symantec AppStream Client LaunchObj ActiveX Control Insecure Methods

SECUNIA ADVISORY ID:
SA33582

VERIFY ADVISORY:
http://secunia.com/advisories/33582/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Symantec AppStream Client 5.x
http://secunia.com/advisories/product/21000/

DESCRIPTION:
A vulnerability has been reported in Symantec AppStream Client, which
can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to the LaunchObj ActiveX control
(launcher.dll) containing e.g. the "installAppMgr()" insecure method.
This can be exploited to download and execute arbitrary files in the
context of the currently logged-on user.

Successful exploitation allows execution of arbitrary code.

The vulnerability is reported in Symantec AppStream Client versions
prior to 5.2.2 SP3 MP1 (LaunchObj versions prior to 5.2.2.865).

SOLUTION:
Update to version 5.2.2 SP3 MP1.

PROVIDED AND/OR DISCOVERED BY:
Will Dormann, CERT/CC

ORIGINAL ADVISORY:
US-CERT VU#194505:
http://www.kb.cert.org/vuls/id/194505

Symantec (SYM09-001):
http://securityresponse.symantec.com/avcenter/security/Content/2009.01.15.html

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