CVE-2023-24513: arista networks eos Buffer Over-read

Vulnerability summary

CVE-2023-24513 is a high (CVSS 7.5) Buffer Over-read vulnerability in arista networks eos. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 12-04-2023
   PublishedVulnerability first disclosed.
2. 07-02-2025
   Last modifiedVulnerability information updated.

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.

• CWE-126Buffer Over-readThe product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.