Learn about CVE-2021-38467, a high-severity vulnerability in AUVESY Versiondog allowing attackers to control memory regions. Upgrade to Version 8.1 or later for mitigation.
A specific function code in AUVESY Versiondog allows a user-supplied raw pointer, leading to a use-after-free condition. This vulnerability was reported by Amir Preminger of Claroty and has a CVSS base score of 7.3.
Understanding CVE-2021-38467
This vulnerability affects AUVESY Versiondog software, allowing an attacker to control memory regions and potentially execute arbitrary code.
What is CVE-2021-38467?
CVE-2021-38467 is a vulnerability in AUVESY Versiondog that arises due to improper handling of user-supplied pointers, leading to a use-after-free scenario. This allows an attacker to manipulate memory regions and potentially exploit the system.
The Impact of CVE-2021-38467
The impact of this vulnerability is rated as high, with a CVSS base score of 7.3. It can result in integrity issues within the affected systems, potentially allowing unauthorized access and execution of arbitrary code.
Technical Details of CVE-2021-38467
This section delves into the specific technical aspects of the CVE-2021-38467 vulnerability.
Vulnerability Description
The vulnerability stems from a specific function code that deallocates a raw pointer provided by the user, allowing control over memory regions and leading to a use-after-free condition.
Affected Systems and Versions
AUVESY Versiondog versions equal to or less than 8.0 are impacted by this vulnerability.
Exploitation Mechanism
By supplying a crafted raw pointer, an attacker can manipulate memory regions, trigger a use-after-free scenario, and potentially execute malicious code.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-38467, immediate action and long-term security measures are recommended.
Immediate Steps to Take
Users of AUVESY Versiondog should upgrade to Version 8.1 or later to mitigate the vulnerability. Implementing the latest patches and updates is crucial to prevent exploitation.
Long-Term Security Practices
Maintaining up-to-date software versions, conducting regular security audits, and following secure coding practices are essential for long-term security resilience.
Patching and Updates
AUVESY recommends upgrading to Version 8.1 or later to address CVE-2021-38467. Regularly applying security patches and updates is crucial to maintaining a secure software environment.