CVE-2021-26615 : What You Need to Know

Bandisoft ARK library allows attackers to execute remote code via the parameter of Ark_NormalizeAndDupPAthNameW function due to an integer overflow vulnerability.

Understanding CVE-2021-26615

This CVE refers to an integer overflow vulnerability in the ARK library by Bandisoft, which enables attackers to execute remote code.

What is CVE-2021-20657?

CVE-2021-26615 is a security vulnerability in Bandisoft's ARK library that allows attackers to exploit an integer overflow issue in the path parameter of the Ark_NormalizeAndDupPAthNameW function.

The Impact of CVE-2021-26615

The vulnerability has a high impact on confidentiality, integrity, and availability, with a CVSS base score of 7.8.

Technical Details of CVE-2021-26615

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability arises due to an integer overflow in the path parameter of the Ark_NormalizeAndDupPAthNameW function, enabling malicious actors to execute code remotely.

Affected Systems and Versions

The affected product is ARK on the Linux platform, specifically version 7.13.0.3.

Exploitation Mechanism

The vulnerability can be exploited locally and doesn't require special privileges from the attacker, making it easier to execute remote attacks.

Mitigation and Prevention

Here are the steps to mitigate the risks posed by CVE-2021-26615.

Immediate Steps to Take

Update the ARK library to the latest patch provided by Bandisoft.
Monitor and restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Implement network security measures to detect and prevent potential attacks.

Patching and Updates

Stay informed about security advisories from Bandisoft and apply patches promptly to prevent exploitation of this vulnerability.