CVE-2017-6952 : Vulnerability Insights and Analysis

A vulnerability related to integer overflow has been discovered in the cs_winkernel_malloc function within the winkernel_mm.c file of Capstone version 3.0.4 and earlier. Exploiting this vulnerability could lead to a denial of service by causing a heap-based buffer overflow in a kernel driver or potentially have other unspecified consequences. This can be achieved by supplying a large value.

Understanding CVE-2017-6952

This CVE entry describes a specific vulnerability in Capstone version 3.0.4 and earlier related to integer overflow.

What is CVE-2017-6952?

The vulnerability in the cs_winkernel_malloc function in Capstone allows attackers to trigger a denial of service or potentially cause other impacts by exploiting an integer overflow with a large value.

The Impact of CVE-2017-6952

Attackers can exploit this vulnerability to cause a denial of service through a heap-based buffer overflow in a kernel driver.
The consequences of this vulnerability may extend to other unspecified impacts.

Technical Details of CVE-2017-6952

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is due to an integer overflow in the cs_winkernel_malloc function in winkernel_mm.c in Capstone version 3.0.4 and earlier.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions affected: Capstone version 3.0.4 and earlier

Exploitation Mechanism

Exploiting this vulnerability involves supplying a large value to trigger the integer overflow, leading to a denial of service or other potential impacts.

Mitigation and Prevention

Protecting systems from CVE-2017-6952 requires specific actions to mitigate the risks.

Immediate Steps to Take

Update Capstone to a version that includes a patch for the integer overflow vulnerability.
Monitor for any unusual activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Implement secure coding practices to prevent integer overflow vulnerabilities.
Regularly update and patch software to address known security issues.

Patching and Updates

Ensure that all systems running Capstone are regularly updated with the latest patches to mitigate the risk of this vulnerability.