QID 43997

Date Published: 2023-03-27

QID 43997: Arista EOS Multiple Vulnerabilities (SA0080)

Arista EOS is the Worlds Most Advanced Network Operating System.

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: 4.28.2F and older releases in the 4.28.x train
4.27.6M and older releases in the 4.27.x train
4.26.7M and older releases in the 4.26.x train
4.25.9M and older releases in the 4.25.x train
4.24.10M and older releases in the 4.24.x train
4.23.12M and older releases in the 4.23.x train
4.22.12M and older releases in the 4.22.x train
QID Detection Logic (Authenticated):
The check matches Arista EOS version retrieved via Unix Auth using "show version" command.

Successful exploitation of these vulnerabilities could lead an attacker to send crafted packets through vulnerable devices to cause Denial-of-Service (DoS) or to perform a Man-in-the-Middle (MitM) attack against L2 reachable hosts in the network.

CVSS V3 rated as Medium - 4.7 severity.

CVSS V2 rated as Medium - 3.3 severity.

Solution

Refer to Arista Security Advisory SA0080 for patch details.

Vendor References

Security Advisory 0080 - www.arista.com/en/support/advisories-notices/security-advisory/16276-security-advisory-0080

CVEs related to QID 43997

CVE-2021-27853 | CVE-2021-27861 |

Software Advisories

Advisory ID	Software	Component	Link
Security Advisory 0080			www.arista.com/en/support/advisories-notices/security-advisory/16276-security-advisory-0080

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