========================================================================== Ubuntu Security Notice USN-6432-1 October 17, 2023
quagga vulnerabilities ========================================================================== 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
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