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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:
Panda ActiveScan Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA21763

VERIFY ADVISORY:
http://secunia.com/advisories/21763/

CRITICAL:
Highly critical

IMPACT:
Exposure of system information, DoS, System access

WHERE:
>From remote

SOFTWARE:
Panda ActiveScan 5.x
http://secunia.com/product/3341/

DESCRIPTION:
Secunia Research has discovered two vulnerabilities and a weakness in
Panda ActiveScan, which can be exploited by malicious people to
disclose system information, cause a DoS (Denial of Service), and
compromise a user's system.

1) The "Reinicializar()" method in the "ActiveScan.1" ActiveX control
allows rebooting the system when invoked. This can be exploited by
e.g. a malicious website to reboot a user's system without any user
confirmation.

2) The "ObtenerTamano()" method in the "PAVPZ.SOS.1" ActiveX control
returns the file size of a given local filename. This can be
exploited by e.g. a malicious website to determine the presence of
local files and the corresponding file sizes.

3) The "Analizar()" method in the "ActiveScan.1" ActiveX control is
not thread safe. This can be exploited by e.g. a malicious website
via a race condition to corrupt memory and execute arbitrary code.

The vulnerabilities are confirmed in version 5.53.00. Other versions
may also be affected.

SOLUTION:
Update to version 5.54.01.
http://www.pandasoftware.com/products/ActiveScan.htm

PROVIDED AND/OR DISCOVERED BY:
Andreas Sandblad, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2006-64/

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About:
This Advisory was delivered by Secunia as a free service to help
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