CVE-2023-24548 Denial of service in EOS
Malformed VXLAN packets can cause egress ports to stop forwarding traffic, leading to denial of service on Arista EOS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-24548?
CVE-2023-24548 is a medium-severity denial of service vulnerability in Arista Networks EOS, published on 29 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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. The device will continue to be susceptible to the issue until remediation is in place.
Weakness: CWE-120
Which versions are affected by CVE-2023-24548?
It affects 1 product.
Products include Arista Eos.
How do I fix CVE-2023-24548?
No fix has been published for CVE-2023-24548 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-2023-24548 being exploited?
There is no known exploitation of CVE-2023-24548 in the wild and no public exploit code.
Other vulnerabilities in Arista Networks EOS
Sources
Also known as GHSA-g69p-vmrw-qm7g.