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Netsikker nu! 2008
 
Kaspersky AntiVirus klif.sys Hooked Functions Denial of Service
Secunia Advisory: SA26887
Release Date: 2007-09-24
Last Update: 2008-01-11
Popularity: 6,074 views

Critical:
Not critical
Impact: DoS
Where: Local system
Solution Status: Vendor Patch

Software:Kaspersky Anti-Virus 7.x
Kaspersky Internet Security 7.x

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CVE reference:CVE-2007-5043
CVE-2007-5086


Description:
EP_X0FF has reported some vulnerabilities in Kasperky AntiVirus, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

The vulnerabilities are caused due to errors within klif.sys when handling the parameters of certain hooked functions. These can be exploited to cause a DoS by e.g. calling "NtCreateSection()", "NtUserSendInput()", "LoadLibraryA()", or other unknown SSDT entries with specially crafted parameters.

The vulnerabilities are reported in version 7.0 build 125. Other versions may also be affected.

Solution:
Update to version 7.0.1.321 (MP1).
http://www.kaspersky.com/productupdates

Provided and/or discovered by:
EP_X0FF

Changelog:
2007-09-25: Added CVE reference.
2007-09-28: Added CVE reference.
2008-01-11: Updated "Solution" section. Removed version 6.x in list of affected software.

Original Advisory:
Kaspersky:
http://www.kaspersky.com/technews?id=203038706
http://www.kaspersky.com/technews?id=203038718
http://www.kaspersky.com/technews?id=203038719

rootkit.com:
http://www.rootkit.com/newsread.php?newsid=778


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