QID 44109

Date Published: 2023-10-23

QID 44109: Arista EOS Buffer Copy Without Checking Size of Input Vulnerability (SA0089)

Arista EOS

Arista EOS is a fully programmable and highly modular, Linux-based network operation system, using familiar industry-standard CLI, and runs a single binary software image across the Arista switching family.

Affected EOS versions:
4.25.0F in the 4.25.x train
4.24.11M and below releases in the 4.24.x train
4.23.14M and below releases in the 4.23.x train
4.22.13M and below releases till 4.22.1F in the 4.22.x train
QID Detection Logic (Authenticated):
The check matches Arista EOS version retrieved via Unix Auth using "show version" command.

On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be unable to forward packets.

CVSS V3 rated as High - 6.5 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Refer to Arista Security Advisory SA0089 for patch details.

Vendor References

Arista:Security Advisory 0089 - www.arista.com/en/support/advisories-notices/security-advisory/18043-security-advisory-0089

CVEs related to QID 44109

CVE-2023-24548 |

Software Advisories

Advisory ID	Software	Component	Link
security-advisory-0089			www.arista.com/en/support/advisories-notices/security-advisory/18043-security-advisory-0089

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