CVE-2023-38407 Denial of service in n/a

High 7.5 Published Updated

An attacker can cause a denial of service in FRRouting by triggering an out-of-bounds read during labeled unicast parsing.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-38407?

CVE-2023-38407 is a high-severity denial of service vulnerability in n/a, published on 6 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

bgpd/bgp_label.c in FRRouting (FRR) before 8.5 attempts to read beyond the end of the stream during labeled unicast parsing.

Which versions are affected by CVE-2023-38407?

It affects 1 product.

Products include Frrouting Frrouting.

How do I fix CVE-2023-38407?

Upgrade to a fixed version.

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-2023-38407 being exploited?

There is no known exploitation of CVE-2023-38407 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2023-38407, GHSA-38fw-5cvw-p8h6, UBUNTU-CVE-2023-38407.

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