CVE-2023-3646 Denial of service in EOS

Medium 5.9 Published Updated

An internal system error in Arista EOS with multi-destination mirroring can cause a kernel panic and system reload, leading to denial of service.

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-2023-3646?

CVE-2023-3646 is a medium-severity denial of service vulnerability in Arista Networks EOS, published on 29 Aug 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 mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload.

Weakness: CWE-125

Which versions are affected by CVE-2023-3646?

It affects 1 product.

Products include Arista Eos.

How do I fix CVE-2023-3646?

No fix has been published for CVE-2023-3646 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-2023-3646 being exploited?

There is no known exploitation of CVE-2023-3646 in the wild and no public exploit code.

Sources

Also known as GHSA-mxrc-xx6x-q2cc.

Is CVE-2023-3646 in your software?

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