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Ubuntu 20.04 LTS USN-6807-1 Critical: frr Denial of Service Threat

ubuntu
Calendar Grey June 5, 2024
Dist Ubuntu Esm H88
Secure your Ubuntu 20.04 LTS system against FRRouting vulnerabilities that may impact network performance and cause Denial of Service incidents by following these steps
FRR could be made to crash or run programs if it received specially crafted network traffic.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: FRR could be made to crash or run programs if it received specially crafted network traffic. Software Description: - frr: FRRouting suite of internet protocols Details: It was discovered that FRR incorrectly handled certain network traffic. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2022-26126, CVE-2022-26127, CVE-2022-26128, CVE-2022-26129, CVE-2022-37032, CVE-2022-37035, CVE-2023-31490, CVE-2023-38406, CVE-2023-38407, CVE-2023-46752, CVE-2023-46753, CVE-2023-47234, CVE-2023-47235, CVE-2024-31948) Ben Cartwright-Cox discovered that FRR incorrectly handled certain network traffic. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-38802)

Topics%20covered

Topics Covered

security advisory update Ubuntu software issue network traffic Denial of Service FRRouting

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS frr 7.2.1-1ubuntu0.2+esm2 Available with Ubuntu Pro After a standard system update you need to restart FRR to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6807-1

CVE-2022-26126, CVE-2022-26127, CVE-2022-26128, CVE-2022-26129,

CVE-2022-37032, CVE-2022-37035, CVE-2023-31490, CVE-2023-38406,

CVE-2023-38407, CVE-2023-38802, CVE-2023-46752, CVE-2023-46753,

CVE-2023-47234, CVE-2023-47235, CVE-2024-31948

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6807-1

Topics%20covered

Topics Covered

security advisory update Ubuntu software issue network traffic Denial of Service FRRouting

Package Information

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