{"id":"UBUNTU-CVE-2020-25031","details":"checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file.","modified":"2026-05-20T16:04:17.925062649Z","published":"2020-08-31T04:15:00Z","upstream":["CVE-2020-25031"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25031"},{"type":"REPORT","url":"https://bugs.launchpad.net/ubuntu/+source/checkinstall/+bug/1861281"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-25031"}],"affected":[{"package":{"name":"checkinstall","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2-4ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"checkinstall","binary_version":"1.6.2-4ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}},{"package":{"name":"checkinstall","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2-4ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"checkinstall","binary_version":"1.6.2-4ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}},{"package":{"name":"checkinstall","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2-4ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.2-4ubuntu2","binary_name":"checkinstall"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}},{"package":{"name":"checkinstall","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+git20170426.d24a630-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"checkinstall","binary_version":"1.6.2+git20170426.d24a630-2ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}},{"package":{"name":"checkinstall","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+git20170426.d24a630-2ubuntu1","1.6.2+git20170426.d24a630-2ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"checkinstall","binary_version":"1.6.2+git20170426.d24a630-2ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}},{"package":{"name":"checkinstall","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+git20170426.d24a630-3ubuntu1","1.6.2+git20170426.d24a630-4"],"ecosystem_specific":{"binaries":[{"binary_name":"checkinstall","binary_version":"1.6.2+git20170426.d24a630-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}},{"package":{"name":"checkinstall","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+git20170426.d24a630-5.1"],"ecosystem_specific":{"binaries":[{"binary_name":"checkinstall","binary_version":"1.6.2+git20170426.d24a630-5.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}},{"package":{"name":"checkinstall","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/checkinstall?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+git20170426.d24a630-5.1","1.6.2+git20170426.d24a630-5.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"checkinstall","binary_version":"1.6.2+git20170426.d24a630-5.1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25031.json"}}],"schema_version":"1.7.5","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":"medium"}]}