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 ...

Published Apr 12, 2023
·
Updated

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.

Affected Software

9 affected components
Arista CloudEOS>=4.26.0<4.26.9m
Arista CloudEOS>=4.27.0<4.27.8m
Arista CloudEOS>=4.28.0<4.28.5m
Arista CloudEOS>=4.29.0<4.29.2f
Amazon Aws Marketplace
Equinix Network Edge
Google Google Cloud Platform Marketplace
Microsoft Azure Marketplace
Arista Dca-200-veos

Remediation

Patch Available

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

Information

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Artista recommends customers move to the latest version of each release that contains all the fixes listed below. CVE-2023-24513 has been fixed in the following releases: 4.29.2F and later releases in the 4.29.x train 4.28.6M and later releases in the 4.28.x train 4.27.9M and later releases in the 4.27.x train 4.26.10M and later releases in the 4.26.x train

Information

The following hotfixes can be applied to remediate both CVE-2023-24545 and CVE-2023-24513. Due to the size of the hotfixes, there are multiple files. Each hotfix applies to a specific set of release trSecurityAdvisory8X_4.28_Hotfix.swixains: Note: Installing/uninstalling the SWIX will cause Sfe agent to restart and stop forwarding traffic for up to 10 seconds. 4.29.1F and below releases in the 4.29.x Train: URL:SecurityAdvisory85_4.29_Hotfix.swix SWIX Hash: SHA512 (SHA-512)c965e149cbbaa8698648af9290c5a728e9fe635186eee7629b789502ef37db4a94beea5ecd20e1dc8a19c2cc8988052b625cfccf764c28b8b0e9e4eef8e79bb4Open with Google Docs 4.28.5M and below releases in the 4.28.x train: URL:SecurityAdvisory85_4.28_Hotfix.swix SWIX Hash: (SHA-512)522d51c6548111d9819ef8b1523b8798ac6847012955e3f885c6f466c81468960fbd4497b45289c8f77297263111340fbdbd7003a30b64e3ef9a270ace62c079 4.27.8M and below releases in the 4.27.x train: URL:SecurityAdvisory85_4.27_Hotfix.swix SWIX Hash: (SHA-512)5ce5479c11abf185f50d484204555b2dfb9b1c93e8f475d027082ca0951cbfca0f331960a1dd111b8c079264b1dab31b0a62c8daf011afb27b1283c2382747a2Open with Go 4.26.9M and below releases in the 4.26.x train: URL:SecurityAdvisory85_4.26_Hotfix.swix SWIX Hash: (SHA-512)9386f12a24f35679bdeb08d506bf0bddb9703d1ef3043de2c06d09ff47f2dd0d1bd7aca0748febb5b04fbdeaed7c4ae2922086fb638c754c3a9a5384306396d2

Event History

Apr 12, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
RemedyDescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2023-24513?

CVE-2023-24513 is a vulnerability in Arista CloudEOS that can lead to a potential denial of service attack by sending malformed packets to the switch.

2

What is the severity of CVE-2023-24513?

CVE-2023-24513 has a severity rating of 7.5 (High).

3

Which platforms are affected by CVE-2023-24513?

Arista CloudEOS versions 4.26.0 to 4.29.2f are affected by CVE-2023-24513.

4

How does CVE-2023-24513 work?

CVE-2023-24513 exploits an issue in the Software Forwarding Engine (Sfe) of Arista CloudEOS, causing a leak of packet buffers when receiving malformed packets.

5

Is Amazon AWS Marketplace affected by CVE-2023-24513?

No, Amazon AWS Marketplace is not affected by CVE-2023-24513.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203