USN-6136-1: FRR vulnerabilities

Releases

• Ubuntu 23.04
• Ubuntu 22.10
• Ubuntu 22.04 LTS

Packages

• frr - FRRouting suite of internet protocols

Details

It was discovered that FRR incorrectly handled parsing certain BGP
messages. A remote attacker could possibly use this issue to cause FRR to
crash, resulting in a denial of service. This issue only affected Ubuntu
23.04. (CVE-2023-31489)

It was discovered that FRR incorrectly handled parsing certain BGP
messages. A remote attacker could possibly use this issue to cause FRR to
crash, resulting in a denial of service. (CVE-2023-31490)

Update instructions

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

Ubuntu 23.04

• frr - 8.4.2-1ubuntu1.1

Ubuntu 22.10

• frr - 8.1-1ubuntu3.2

Ubuntu 22.04

• frr - 8.1-1ubuntu1.4

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

References

• CVE-2023-31489
• CVE-2023-31490

Related notices

• USN-6323-1: frr-pythontools, frr-rpki-rtrlib, frr-snmp, frr, frr-doc
• USN-6807-1: frr-pythontools, frr-rpki-rtrlib, frr-snmp, frr, frr-doc