CVE-2023-24513

On affected platforms running Arista CloudEOS a size check bypass issue in the Software Forwarding Engine (Sfe) may allow buffer over reads in later code. Additionally, depending on configured options this may cause a recomputation of the TCP checksum ...

State: Published
Severity: 6.5 Medium
Published: Apr 12, 2023
Updated: Feb 7, 2025
Reserved: Jan 24, 2023

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Description

On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L	Arista

Weaknesses

CWE-126 Buffer Over-read

Affected Products

Product	Versions
EOSArista Networks	4.29.0 through 4.29.1FAffected 4.28.0 through 4.28.5MAffected 4.27.0 through 4.27.8MAffected 4.26.0 through 4.26.9MAffected

References

https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085

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