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Ubuntu 23.04 USN-6240-1 Critical: FRR Denial Of Service Risk

ubuntu
Calendar Grey July 24, 2023
Dist Ubuntu Esm H88
A new FRR patch has been released for Ubuntu addressing a denial of service vulnerability triggered by specially designed messages impacting network protocols.
FRR could be made to denial of service if it received a specially crafted message.

Summary

FRR could be made to denial of service if it received a

specially crafted message.

Software Description:

- frr: FRRouting suite of internet protocols

Details:

It was discovered that FRR incorrectly handled certain messages.

An attacker could possibly use this issue to cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu network protocols FRR

Update Instructions

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

Ubuntu 23.04:
  frr                             8.4.2-1ubuntu1.2

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

References

https://ubuntu.com/security/notices/USN-6240-1

CVE-2023-3748

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6240-1

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu network protocols FRR

Package Information

https://launchpad.net/ubuntu/+source/frr/8.4.2-1ubuntu1.2

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