CVE-2018-11728 : Security Advisory and Response

CVE-2018-11728 was published on June 19, 2018, and involves an information leak vulnerability in libfsntfs. The issue is disputed by the vendor, as detailed in the libyal/libfsntfs GitHub issue 8.

Understanding CVE-2018-11728

This CVE entry pertains to an information leak vulnerability in libfsntfs, specifically in the libfsntfs_reparse_point_values_read_data function.

What is CVE-2018-11728?

The vulnerability allows for an information leak (heap-based buffer over-read) when processing a manipulated ntfs file in libfsntfs until April 20, 2018.

The Impact of CVE-2018-11728

The exploitation of this vulnerability could lead to a remote attacker causing an information disclosure by crafting a malicious ntfs file.

Technical Details of CVE-2018-11728

CVE ID: CVE-2018-11728

Vulnerability Description

The libfsntfs_reparse_point_values_read_data function in libfsntfs through April 20, 2018, is susceptible to remote attackers causing an information disclosure through a crafted ntfs file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The vulnerability can be exploited remotely by manipulating an ntfs file to trigger a heap-based buffer over-read, resulting in an information leak.

Mitigation and Prevention

It is essential to take immediate steps to address and prevent the exploitation of CVE-2018-11728.

Immediate Steps to Take

Monitor vendor communications for updates or patches regarding the disputed vulnerability.
Implement network security measures to detect and block potential attacks leveraging this vulnerability.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses in the system.

Patching and Updates

Stay informed about any resolution or updates provided by the vendor to address the disputed vulnerability in libfsntfs.