{"id":"UBUNTU-CVE-2021-44038","details":"An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.","modified":"2025-10-24T04:50:37Z","published":"2021-11-19T19:15:00Z","upstream":["CVE-2021-44038"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-44038"},{"type":"REPORT","url":"https://github.com/Quagga/quagga/releases"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-44038"}],"affected":[{"package":{"name":"quagga","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/quagga@0.99.24.1-2ubuntu1.4+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.99.24.1-2","0.99.24.1-2ubuntu1","0.99.24.1-2ubuntu1.1","0.99.24.1-2ubuntu1.2","0.99.24.1-2ubuntu1.3","0.99.24.1-2ubuntu1.4","0.99.24.1-2ubuntu1.4+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"quagga","binary_version":"0.99.24.1-2ubuntu1.4+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44038.json"}},{"package":{"name":"quagga","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/quagga@1.2.4-1ubuntu0.1~esm2?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1-3","1.1.1-3ubuntu1","1.2.2-1","1.2.2-1ubuntu1","1.2.4-1","1.2.4-1ubuntu0.1~esm1","1.2.4-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"quagga","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-bgpd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-core","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-isisd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-ospf6d","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_version":"1.2.4-1ubuntu0.1~esm2","binary_name":"quagga-ospfd"},{"binary_name":"quagga-pimd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-ripd","binary_version":"1.2.4-1ubuntu0.1~esm2"},{"binary_name":"quagga-ripngd","binary_version":"1.2.4-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44038.json"}},{"package":{"name":"quagga","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/quagga@1.2.4-4ubuntu0.5?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.4-4build1","1.2.4-4ubuntu0.1","1.2.4-4ubuntu0.4","1.2.4-4ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_name":"quagga","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-bgpd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-core","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-isisd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-ospf6d","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-ospfd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-pimd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-ripd","binary_version":"1.2.4-4ubuntu0.5"},{"binary_name":"quagga-ripngd","binary_version":"1.2.4-4ubuntu0.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44038.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}