USN-6481-1: FRR vulnerabilities

Releases

• Ubuntu 23.10
• Ubuntu 23.04
• Ubuntu 22.04 LTS

Packages

• frr - FRRouting suite of internet protocols

Details

It was discovered that FRR incorrectly handled certain malformed NLRI data.
A remote attacker could possibly use this issue to cause FRR to crash,
resulting in a denial of service. (CVE-2023-46752)

It was discovered that FRR incorrectly handled certain BGP UPDATE messages.
A remote attacker could possibly use this issue to cause FRR to crash,
resulting in a denial of service. (CVE-2023-46753)

Update instructions

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

Ubuntu 23.10

• frr - 8.4.4-1.1ubuntu1.1

Ubuntu 23.04

• frr - 8.4.2-1ubuntu1.5

Ubuntu 22.04

• frr - 8.1-1ubuntu1.7

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

References

• CVE-2023-46752
• CVE-2023-46753

Related notices

• USN-6807-1: frr, frr-pythontools, frr-snmp, frr-rpki-rtrlib, frr-doc
• USN-6482-1: quagga-ospfd, quagga-isisd, quagga-doc, quagga-pimd, quagga-core, quagga-ospf6d, quagga-ripngd, quagga, quagga-bgpd, quagga-ripd