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K7Firewall Packet Driver Privilege Escalation Vulnerability
Information
Severity
Severity
High
Family
Family
General
CVSSv2 Base
CVSSv2 Base
7.2
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
The host is installed with K7 Computing product and is prone to privilege escalation vulnerability.
Insight
Insight
The flaw is due to the function handling IOCTL 0x830020C4 does not validate the size of the output buffer parameter passed in the DeviceIoControl API, which leads to a heap overflow on buffer data initialization.
Affected Software
Affected Software
K7Firewall Packet Driver version 11.0.1.5 and possibly earlier.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to K7Firewall Packet Driver version 14.0.1.16 or later.