CVE-2021-35269 : Exploit Details and Defense Strategies

A heap buffer overflow vulnerability has been identified in NTFS-3G versions less than 2021.8.22, allowing for code execution and privilege escalation.

Understanding CVE-2021-35269

This section provides insights into the nature and impact of the CVE-2021-35269 vulnerability.

What is CVE-2021-35269?

CVE-2021-35269 is a heap buffer overflow vulnerability in NTFS-3G versions before 2021.8.22 that can be exploited to achieve code execution and privilege escalation.

The Impact of CVE-2021-35269

The vulnerability in NTFS-3G can result in a heap buffer overflow, enabling attackers to execute arbitrary code and escalate privileges on the affected system.

Technical Details of CVE-2021-35269

Explore the specific technical information related to CVE-2021-35269 below.

Vulnerability Description

The flaw arises when a specially crafted NTFS attribute from the Master File Table (MFT) triggers a heap buffer overflow in the 'ntfs_attr_setup_flag' function.

Affected Systems and Versions

All NTFS-3G versions before 2021.8.22 are impacted by this vulnerability, exposing them to the risk of potential exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by setting up a crafted NTFS attribute, leading to a heap buffer overflow, which can be leveraged for executing malicious code and escalating privileges.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent the exploitation of CVE-2021-35269.

Immediate Steps to Take

Users are advised to update NTFS-3G to version 2021.8.22 or later to patch the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implementing robust security practices, such as regular software updates and vulnerability assessments, can enhance the overall security posture of systems.

Patching and Updates

Regularly monitor for security advisories and apply patches promptly to address known vulnerabilities and safeguard systems.