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Ubuntu 20.04 LTS: USN-7230-2 critical: FRR denial of service

ubuntu
Calendar Grey January 28, 2025
Dist Ubuntu Esm H88
Attention: USN-7230-2 has been released concerning FRR vulnerabilities that could cause system instability or degraded performance in Ubuntu versions. Update your installations promptly
FRR could be made to crash or exhibit degraded performance if it received specially crafted network traffic.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: FRR could be made to crash or exhibit degraded performance if it received specially crafted network traffic. Software Description: - frr: FRRouting suite of internet protocols Details: Iggy Frankovic discovered that FRR incorrectly handled 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 20.04 LTS. (CVE-2024-44070) It was discovered that FRR re-validated all routes in certain instances when the internal socket's buffer size overflowed. A remote attacker could possibly use this issue to impact the performance of FRR, resulting in a denial of service. (CVE-2024-55553)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu performance issue frr

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.10   frr                             10.0.1-0.1ubuntu3 Ubuntu 24.04 LTS   frr                             8.4.4-1.1ubuntu6.3 Ubuntu 22.04 LTS   frr                             8.1-1ubuntu1.13 Ubuntu 20.04 LTS   frr                             7.2.1-1ubuntu0.2+esm3                                   Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7230-2

  https://ubuntu.com/security/notices/USN-7230-1

  CVE-2024-44070, CVE-2024-55553

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7230-2

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu performance issue frr

Package Information

  https://launchpad.net/ubuntu/+source/frr/10.0.1-0.1ubuntu3   https://launchpad.net/ubuntu/+source/frr/8.4.4-1.1ubuntu6.3   https://launchpad.net/ubuntu/+source/frr/8.1-1ubuntu1.13

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