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CA Internet Security Suite Plus "KmxSbx.sys" IOCTL Handling Privilege Escalation

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Release Date:  2010-11-30    Last Update:  2010-12-17    Views:  2,160

Secunia Advisory SA42267

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Unpatched

CVE Reference(s):

Description


A vulnerability has been discovered in CA Internet Security Suite Plus, which can be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to an error in the "KmxSbx.sys" kernel driver when processing IOCTLs and can be exploited to cause a buffer overflow via e.g. overly large data buffer (greater than 65535 bytes) sent to the 0x88000080 IOCTL.

Successful exploitation allows execution of arbitrary code in the kernel.

The vulnerability is confirmed in CA Internet Security Suite Plus 2010 (KmxSbx.sys 6.2.0.23). Other versions may also be affected.


Solution:
Grant access to trusted users only.

Provided and/or discovered by:
Nikita Tarakanov

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: CA Internet Security Suite Plus "KmxSbx.sys" IOCTL Handling Privilege Escalation

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