Out-of-bounds read in Arista Extensible Operating System (EOS) - CVE-2023-3646

 

Out-of-bounds read in Arista Extensible Operating System (EOS) - CVE-2023-3646

Published: May 17, 2025


Vulnerability identifier: #VU109359
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-3646
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary condition when the system is configured with mirroring to multiple destinations. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.


Affected software

Arista Extensible Operating System (EOS)

How to mitigate CVE-2023-3646

Install updates from vendor's website.

Arista Extensible Operating System (EOS) - addressed in versions 4.28.6M, 4.29.2F

External References

Related Security Bulletins