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Ubuntu 20.04 LTS: USN-6432-1 Critical: Quagga Denial Of Service

ubuntu
Calendar Grey October 17, 2023
Dist Ubuntu Esm H88
Recent updates address Quagga weaknesses in Ubuntu 20.04, 18.04, and 16.04 LTS, which impacted external services.
Several security issues were fixed in Quagga.

Summary

Several security issues were fixed in Quagga.

Software Description:

- quagga: BGP/OSPF/RIP routing daemon

Details:

It was discovered that the Quagga BGP daemon did not properly check the

attribute length in NRLI. A remote attacker could possibly use this issue

to cause a denial of service. (CVE-2023-41358)

It was discovered that the Quagga BGP daemon did not properly manage memory

when reading initial bytes of ORF header. A remote attacker could possibly

use this issue to cause a denial of service. (CVE-2023-41360)

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu security patch Quagga

Update Instructions

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

Ubuntu 20.04 LTS:
  quagga                          1.2.4-4ubuntu0.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  quagga                          1.2.4-1ubuntu0.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  quagga                          0.99.24.1-2ubuntu1.4+esm1

After a standard system update you need to restart Quagga to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6432-1

CVE-2023-41358, CVE-2023-41360

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6432-1

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu security patch Quagga

Package Information

https://launchpad.net/ubuntu/+source/quagga/1.2.4-4ubuntu0.1

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