CVE-2021-39252 : Vulnerability Insights and Analysis

This CVE record pertains to a vulnerability in NTFS-3G that can be exploited by a crafted NTFS image.

Understanding CVE-2021-39252

This section delves into the details of the CVE-2021-39252 vulnerability.

What is CVE-2021-39252?

The vulnerability involves an out-of-bounds read in ntfs_ie_lookup in NTFS-3G versions before 2021.8.22.

The Impact of CVE-2021-39252

The vulnerability can be exploited through a crafted NTFS image, potentially leading to a security breach or denial of service.

Technical Details of CVE-2021-39252

This section provides the technical specifics of the CVE-2021-39252 vulnerability.

Vulnerability Description

An out-of-bounds read can occur in ntfs_ie_lookup in NTFS-3G versions earlier than 2021.8.22.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions: All versions before NTFS-3G 2021.8.22

Exploitation Mechanism

The vulnerability can be triggered by a maliciously crafted NTFS image.

Mitigation and Prevention

Here are the necessary steps to mitigate and prevent exploitation of CVE-2021-39252.

Immediate Steps to Take

Update NTFS-3G to version 2021.8.22 or later.
Avoid opening NTFS images from untrusted sources.
Implement file system integrity checks regularly.

Long-Term Security Practices

Conduct regular security audits and code reviews.
Employ access controls and least privilege principles.
Educate users on safe file handling practices.

Patching and Updates

Ensure timely installation of security patches and updates for NTFS-3G.