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Ubuntu 23.10 & 22.04 LTS: USN-6679-1 Critical frr Denial of Service

ubuntu
Calendar Grey March 6, 2024
Dist Ubuntu Esm H88
Delving into Ubuntu Security Notice USN-6679-1, we uncover a severe vulnerability in frr that could jeopardize service stability when facing specially crafted network traffic.
FRR could be made to crash if it received specially crafted network traffic.

Summary

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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu service interruption network attack frr malformed traffic

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6679-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu service interruption network attack frr malformed traffic

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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