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

ubuntu
Calendar Grey January 28, 2025
Scroller Ubuntu
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

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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