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TITLE:
Kaspersky Products kl1.sys Driver Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA30534

VERIFY ADVISORY:
http://secunia.com/advisories/30534/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Kaspersky Anti-Virus 6.x
http://secunia.com/product/10470/
Kaspersky Anti-Virus 7.x
http://secunia.com/product/15603/
Kaspersky Internet Security 6.x
http://secunia.com/product/10471/
Kaspersky Internet Security 7.x
http://secunia.com/product/15741/
Kaspersky Anti-Virus for Windows Workstations 6.x
http://secunia.com/product/18979/

DESCRIPTION:
A vulnerability has been reported in some Kaspersky products, which
can be exploited by malicious, local users to gain escalated
privileges.

The vulnerability is caused due to a boundary error within the
kl1.sys driver. This can be exploited to cause a stack-based buffer
overflow and execute arbitrary code with kernel privileges.

The vulnerability is reported in the following versions:
* Kaspersky Anti-Virus 6.0 and 7.0
* Kaspersky Internet Security 6.0 and 7.0
* Kaspersky Anti-Virus 6.0 for Windows Workstations

SOLUTION:
A patch is available via the built-in automatic updating module.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits iDefense Labs.

ORIGINAL ADVISORY:
Kaspersky Lab:
http://www.kaspersky.com/technews?id=203038727

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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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