CVE-2021-38459 : Exploit Details and Defense Strategies
Discover the high-severity vulnerability CVE-2021-38459 affecting AUVESY Versiondog. Learn the impact, technical details, and mitigation steps to secure your systems against this security threat.
A high-severity vulnerability, CVE-2021-38459 affects AUVESY Versiondog, allowing an attacker to exploit the initial handshake phase data to authenticate at a SYSDBA level. This could lead to unauthorized access and potentially dangerous changes to the system.
Understanding CVE-2021-38459
This section provides a detailed overview of the CVE-2021-38459 vulnerability in AUVESY Versiondog.
What is CVE-2021-38459?
The vulnerability in AUVESY Versiondog enables an attacker to utilize network capture data during the initial handshake phase to gain unauthorized access at the SYSDBA level. By intercepting crucial handshake packets, an attacker can manipulate user passwords and even delete the database.
The Impact of CVE-2021-38459
With a CVSS base score of 8.1, the high-severity vulnerability poses a significant threat. Attackers exploiting this vulnerability could compromise confidentiality, integrity, and availability, leading to severe consequences for the affected systems.
Technical Details of CVE-2021-38459
Explore more about the technical aspects of CVE-2021-38459 in this section.
Vulnerability Description
The vulnerability allows attackers to bypass authentication by capturing and replaying handshake data, potentially granting them SYSDBA-level access.
Affected Systems and Versions
All versions of AUVESY Versiondog up to and including 8.0 are impacted by this vulnerability.
Exploitation Mechanism
Exploiting this vulnerability requires utilizing network capture data from the initial handshake phase to gain unauthorized access at the SYSDBA level, posing serious risks to system security.
Mitigation and Prevention
Learn about the necessary steps to mitigate and prevent CVE-2021-38459 in this section.
Immediate Steps to Take
Users are advised to upgrade to Versiondog 8.1 or later, as recommended by AUVESY, to mitigate the vulnerability. Additionally, monitoring and restricting access to handshake packets can enhance security.
Long-Term Security Practices
Implementing strict access controls, regular system monitoring, and timely software updates are essential for long-term security against vulnerabilities like CVE-2021-38459.
Patching and Updates
Regularly applying security patches and updates provided by AUVESY is crucial to address known vulnerabilities and enhance system security.