{"id":"USN-4247-3","summary":"python-apt vulnerabilities","details":"USN-4247-1 fixed several vulnerabilities in python-apt. This update\nprovides the corresponding updates for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that python-apt would still use MD5 hashes to validate\n certain downloaded packages. If a remote attacker were able to perform a\n machine-in-the-middle attack, this flaw could potentially be used to install\n altered packages. (CVE-2019-15795)\n\n It was discovered that python-apt could install packages from untrusted\n repositories, contrary to expectations. (CVE-2019-15796)\n","modified":"2026-02-10T04:41:45Z","published":"2020-01-23T15:11:16Z","related":["UBUNTU-CVE-2019-15795","UBUNTU-CVE-2019-15796"],"upstream":["CVE-2019-15795","CVE-2019-15796","UBUNTU-CVE-2019-15795","UBUNTU-CVE-2019-15796"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4247-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-15795"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-15796"}],"affected":[{"package":{"name":"python-apt","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python-apt@0.9.3.5ubuntu3+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.3.5ubuntu3+esm2"}]}],"versions":["0.8.9.1ubuntu1","0.9.0","0.9.1","0.9.1ubuntu1","0.9.3.2","0.9.3.2ubuntu2","0.9.3.3","0.9.3.3ubuntu1","0.9.3.4","0.9.3.4build1","0.9.3.5","0.9.3.5ubuntu1","0.9.3.5ubuntu2","0.9.3.5ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_name":"python-apt","binary_version":"0.9.3.5ubuntu3+esm2"},{"binary_name":"python-apt-common","binary_version":"0.9.3.5ubuntu3+esm2"},{"binary_name":"python-apt-dev","binary_version":"0.9.3.5ubuntu3+esm2"},{"binary_name":"python3-apt","binary_version":"0.9.3.5ubuntu3+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4247-3.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2019-15795","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2019-15796","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.3"}