CVE-2024-31948 Denial of service in n/a

Medium 6.5 Published Updated

An attacker can crash the FRRouting BGP daemon by sending a malformed Prefix SID attribute in a BGP UPDATE packet.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2024-31948?

CVE-2024-31948 is a medium-severity denial of service vulnerability in n/a, published on 7 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Weakness: CWE-1287

Which versions are affected by CVE-2024-31948?

It affects 1 product.

Linux distribution packages (11)
frr SUSE:Enterprise Storage 7.1All versions7.4-150300.4.23.1
frr SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSSAll versions7.4-150300.4.23.1
frr SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOSAll versions7.4-150300.4.23.1
frr SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSSAll versions7.4-150300.4.23.1
frr SUSE:Linux Enterprise Server 15 SP3-LTSSAll versions7.4-150300.4.23.1
frr SUSE:Linux Enterprise Server 15 SP4-LTSSAll versions7.4-150300.4.23.1
frr SUSE:Linux Enterprise Server for SAP Applications 15 SP3All versions7.4-150300.4.23.1
frr SUSE:Linux Enterprise Server for SAP Applications 15 SP4All versions7.4-150300.4.23.1
frr SUSE:Manager Proxy 4.3All versions7.4-150300.4.23.1
frr SUSE:Manager Server 4.3All versions7.4-150300.4.23.1
frr openSUSE:TumbleweedAll versions8.4-10.1

Products include Frrouting Frrouting.

How do I fix CVE-2024-31948?

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-2024-31948 being exploited?

There is no known exploitation of CVE-2024-31948 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2024-31948, GHSA-56vm-qxhc-5p2f, SUSE-SU-2024:1475-1, UBUNTU-CVE-2024-31948, openSUSE-SU-2024:13860-1.

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