CVE-2023-24511 Denial of service in EOS

Medium 5.3 Published Updated

A crafted packet causes a memory leak in snmpd on Arista EOS, leading to service termination and potential resource exhaustion.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-24511?

CVE-2023-24511 is a medium-severity denial of service vulnerability in Arista Networks EOS, published on 12 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process. This may result in the snmpd processing being terminated (causing SNMP requests to time out until snmpd is automatically restarted) and potential memory resource exhaustion for other processes on the switch. The vulnerability does not have any confidentiality or integrity impacts to the system.

Weakness: CWE-401

Which versions are affected by CVE-2023-24511?

It affects 1 product.

Products include Arista Eos.

How do I fix CVE-2023-24511?

No fix has been published for CVE-2023-24511 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-24511 being exploited?

There is no known exploitation of CVE-2023-24511 in the wild and no public exploit code.

Sources

Also known as GHSA-cvxv-rh32-gj86.

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