CVE-2023-46803 : Security Advisory and Response
Learn about the high-impact CVE-2023-46803 affecting Ivanti Avalanche version 6.4.1. Explore the technical details, impact, and mitigation recommendations for this denial of service vulnerability.
A denial of service vulnerability has been identified in Ivanti Avalanche version 6.4.1, allowing an attacker to cause memory corruption by sending specially crafted data packets to the Mobile Device Server.
Understanding CVE-2023-46803
This section provides insights into the impact and technical details of CVE-2023-46803.
What is CVE-2023-46803?
CVE-2023-46803 is a vulnerability that can be exploited by an attacker to trigger memory corruption on Ivanti Avalanche's Mobile Device Server through specially crafted data packets, potentially leading to a denial of service (DoS) condition.
The Impact of CVE-2023-46803
The impact of this vulnerability is rated as HIGH, with a CVSS base score of 7.5. Successful exploitation could result in a denial of service condition, impacting the availability of the affected system.
Technical Details of CVE-2023-46803
In this section, we delve into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability exists in Ivanti Avalanche version 6.4.1, where improper handling of specially crafted data packets can lead to memory corruption, potentially resulting in a denial of service condition.
Affected Systems and Versions
Ivanti Avalanche version 6.4.1 is confirmed to be affected by this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by sending malicious data packets to the Mobile Device Server, causing memory corruption and leading to a denial of service condition.
Mitigation and Prevention
Discover immediate steps to take and long-term security practices to safeguard against CVE-2023-46803.
Immediate Steps to Take
It is recommended to update Ivanti Avalanche to a non-vulnerable version, apply patches, and monitor network traffic for any suspicious activities.
Long-Term Security Practices
Implement network segmentation, restrict access to critical services, and stay informed about security updates and patches related to Ivanti Avalanche.
Patching and Updates
Regularly apply security patches and updates provided by Ivanti to address known vulnerabilities and enhance the overall security posture of the system.