CVE-2021-26635 : What You Need to Know

Bandisoft ARK Library is prone to a buffer overflow vulnerability that can be exploited by attackers to achieve remote code execution by manipulating the offset read from the target file due to improper use of data type verification. This CVE has a CVSS base score of 7.8, indicating a high severity issue with significant impact on confidentiality, integrity, and availability.

Understanding CVE-2021-26635

This section delves into the details of the Bandisoft ARK Library buffer overflow vulnerability and its implications.

What is CVE-2021-26635?

CVE-2021-26635 is a stack-based buffer overflow vulnerability in Bandisoft ARK Library which allows attackers to perform remote code execution by exploiting incorrect data type verification in the file size validation process.

The Impact of CVE-2021-26635

This vulnerability poses a high risk as it can lead to a stack buffer overflow, potentially enabling threat actors to execute arbitrary code remotely, compromising the target system's confidentiality, integrity, and availability.

Technical Details of CVE-2021-26635

In this section, we explore the technical aspects and specifics of the Bandisoft ARK Library buffer overflow vulnerability.

Vulnerability Description

The flaw lies in the code that verifies file size, allowing threat actors to manipulate the offset read from the target file due to incorrect data type usage, leading to a stack buffer overflow.

Affected Systems and Versions

Bandisoft ARK Library versions less than or equal to 7.17 running on various platforms including Windows, Mac OS, and Linux are susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability to trigger a stack buffer overflow by manipulating the offset read from the target file, ultimately enabling remote code execution.

Mitigation and Prevention

Protecting systems from CVE-2021-26635 involves taking immediate action to mitigate the risks and implementing long-term security practices.

Immediate Steps to Take

It is crucial to apply relevant patches, updates, or security fixes provided by Bandisoft International Inc. to address this vulnerability and prevent potential exploitation.

Long-Term Security Practices

Ensuring secure coding practices, regular security audits, and staying informed about security advisories and patches are essential for maintaining robust cybersecurity posture.

Patching and Updates

Regularly updating Bandisoft ARK Library to versions beyond 7.17 and staying vigilant for security alerts and patches is vital to safeguard systems against known vulnerabilities.