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Ubuntu Security Notice USN-6432-1
October 17, 2023
quagga vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
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)
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
Package Information:
  https://launchpad.net/ubuntu/+source/quagga/1.2.4-4ubuntu0.1