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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
 <ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <950195a2-30b0-4ea8-ba0c-f5dfb0a1811f@canonical.com>
Subject: [USN-6679-1] FRR vulnerability

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==========================================================================
Ubuntu Security Notice USN-6679-1
March 06, 2024

frr vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS

Summary:

FRR could be made to crash if it received specially crafted network
traffic.

Software Description:
- frr: FRRouting suite of internet protocols

Details:

It was discovered that FRR incorrectly handled certain malformed OSPF LSA
packets. A remote attacker could possibly use this issue to cause FRR to
crash, resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
   frr                             8.4.4-1.1ubuntu1.3

Ubuntu 22.04 LTS:
   frr                             8.1-1ubuntu1.9

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6679-1
   CVE-2024-27913

Package Information:
   https://launchpad.net/ubuntu/+source/frr/8.4.4-1.1ubuntu1.3
   https://launchpad.net/ubuntu/+source/frr/8.1-1ubuntu1.9

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