CVE-2018-11730 : What You Need to Know

CVE-2018-11730 was published on June 19, 2018, and involves a denial of service vulnerability in libfsntfs. The issue is disputed by the vendor, as documented in GitHub.

Understanding CVE-2018-11730

This CVE entry describes a double-free vulnerability in libfsntfs that can be triggered by remote attackers using a specially crafted ntfs file.

What is CVE-2018-11730?

The vulnerability in libfsntfs_security_descriptor_values.c of libfsntfs prior to 2018-04-20 allows remote attackers to cause a denial of service through a double-free exploit.

The Impact of CVE-2018-11730

The exploitation of this vulnerability can lead to a denial of service condition on the affected system, potentially disrupting normal operations.

Technical Details of CVE-2018-11730

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The libfsntfs_security_descriptor_values_free function in libfsntfs_security_descriptor_values.c allows remote attackers to trigger a denial of service via a crafted ntfs file.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Prior to 2018-04-20

Exploitation Mechanism

Remote attackers can exploit this vulnerability by using a specifically crafted ntfs file to trigger the double-free condition in libfsntfs.

Mitigation and Prevention

Protecting systems from CVE-2018-11730 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor vendor communications for updates or patches related to this vulnerability.
Implement network-level protections to mitigate potential exploitation.

Long-Term Security Practices

Regularly update software and libraries to ensure the latest security patches are applied.
Conduct regular security assessments and audits to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about any official patches or updates released by the vendor to address the disputed vulnerability in libfsntfs.