CVE-2018-12097 : Vulnerability Insights and Analysis

CVE-2018-12097 was published on June 19, 2018, and affects the liblnk library. Remote attackers can exploit a specific function within liblnk to trigger an information disclosure vulnerability until April 19, 2018. The issue has been disputed by the vendor.

Understanding CVE-2018-12097

This CVE entry describes a heap-based buffer over-read vulnerability in liblnk that allows attackers to disclose information using a crafted lnk file.

What is CVE-2018-12097?

The vulnerability lies in the liblnk_location_information_read_data function in liblnk_location_information.c within liblnk, enabling remote attackers to exploit it for information disclosure.

The Impact of CVE-2018-12097

By leveraging this vulnerability, attackers can trigger a heap-based buffer over-read, potentially leading to sensitive information exposure.

Technical Details of CVE-2018-12097

CVE-2018-12097 involves the following technical aspects:

Vulnerability Description

The liblnk_location_information_read_data function in liblnk_location_information.c allows remote attackers to cause an information disclosure through a crafted lnk file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions until 2018-04-19

Exploitation Mechanism

Attackers can exploit the vulnerable function in liblnk by using a specially crafted lnk file to trigger the heap-based buffer over-read vulnerability.

Mitigation and Prevention

To address CVE-2018-12097, consider the following mitigation strategies:

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Avoid opening or accessing suspicious or untrusted lnk files.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement network security measures to detect and block malicious activities.

Patching and Updates

Stay informed about security advisories and updates from the vendor to patch known vulnerabilities promptly.