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 ...
CVE-2023-24513

6.5MEDIUM

Key Information:

Vendor

Arista Networks

Status
Eos
Vendor
CVE Published:
12 April 2023

What is CVE-2023-24513?

A vulnerability exists in Arista CloudEOS that affects the Software Forwarding Engine (SFE). When malformed packets are sent to the switch, it may result in packet buffer leaks. If the switch receives a substantial amount of these malformed packets, it can cease forwarding traffic, leading to potential network outages and degraded service. This underscores the necessity for robust network security measures and timely updates.

Affected Version(s)

EOS 4.29.0 <= 4.29.1F

EOS 4.28.0 <= 4.28.5M

EOS 4.27.0 <= 4.27.8M

References

https://www.arista.com/en/support/advisories-notices/secu...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.