CVE-2024-31949 Denial of service in n/a

Medium 6.5 Published Updated

An attacker can cause a denial of service in FRRouting by sending malformed MP/GR capability data, triggering an infinite loop.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2024-31949?

CVE-2024-31949 is a medium-severity denial of service vulnerability in n/a, published on 7 Apr 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.

Weakness: CWE-835

Which versions are affected by CVE-2024-31949?

It affects 1 product.

Products include Frrouting Frrouting.

How do I fix CVE-2024-31949?

Apply the vendor's patch.

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-2024-31949 being exploited?

There is no known exploitation of CVE-2024-31949 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2024-31949, GHSA-f3q5-vrp5-crqj.

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