CVE-2023-3646 Explained : Impact and Mitigation
Get insights on CVE-2023-3646 impacting Arista EOS platforms, its technical details, impact severity, and mitigation steps. Update now for security.
This article provides detailed information about CVE-2023-3646, including its impact, technical details, and mitigation steps.
Understanding CVE-2023-3646
CVE-2023-3646 is a vulnerability found in platforms running Arista EOS with mirroring to multiple destinations configured. This vulnerability may lead to a kernel panic and system reload due to an internal system error.
What is CVE-2023-3646?
The vulnerability in CVE-2023-3646 affects Arista EOS platforms with mirroring to multiple destinations configured, potentially triggering a kernel panic and causing the system to reload.
The Impact of CVE-2023-3646
The impact of CVE-2023-3646 is classified under CAPEC-603 (Blockage), indicating a medium severity issue that can disrupt availability.
Technical Details of CVE-2023-3646
The vulnerability description involves an internal system error triggered by mirroring to multiple destinations, resulting in a kernel panic and system reload.
Vulnerability Description
On affected platforms, an internal system error triggered by mirroring to multiple destinations may lead to a kernel panic and system reload.
Affected Systems and Versions
The vulnerability affects Arista Networks' EOS versions 4.28.2F and 4.29.0 through specific releases.
Exploitation Mechanism
The exploitation occurs when mirroring to multiple destinations is configured, leading to a kernel panic and system reload.
Mitigation and Prevention
To address CVE-2023-3646, consider implementing immediate steps, establishing long-term security practices, and applying necessary patches and updates.
Immediate Steps to Take
To prevent the vulnerability, remove any mirroring configuration by verifying and removing existing mirroring sessions.
Long-Term Security Practices
It is recommended to follow security best practices, regularly update systems, and monitor for potential vulnerabilities.
Patching and Updates
Arista has provided remediated software versions for CVE-2023-3646. Upgrade to the following releases to address the vulnerability:
- For 4.28.x train: 4.28.6M and later releases.
- For 4.29.x train: 4.29.2F and later releases.
For additional information and hotfix solutions specific to affected versions, reference official Arista advisories and follow the recommended upgrade procedures.