{"id":"USN-4552-3","summary":"pam-python regression","details":"USN-4552-1 and USN-4552-2 fixed a vulnerability in Pam-python. The update\nintroduced a regression which prevented PAM modules written in Python from\nimporting python modules from site-specific directories.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Malte Kraus discovered that Pam-python mishandled certain environment variables.\n A local attacker could potentially use this vulnerability to execute programs\n as root.\n","modified":"2026-02-10T04:41:56Z","published":"2020-10-28T16:23:03Z","related":["UBUNTU-CVE-2019-16729"],"upstream":["CVE-2019-16729","UBUNTU-CVE-2019-16729"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4552-3"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-16729"}],"affected":[{"package":{"name":"pam-python","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pam-python@1.0.4-1.1+deb8u1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-1.1+deb8u1ubuntu0.1"}]}],"versions":["1.0.4-1","1.0.4-1.1+deb8u1build0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.4-1.1+deb8u1ubuntu0.1","binary_name":"libpam-python"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2019-16729","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"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4552-3.json"}},{"package":{"name":"pam-python","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/pam-python@1.0.6-1.1+deb10u1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.6-1.1+deb10u1ubuntu0.1"}]}],"versions":["1.0.6-1","1.0.6-1.1+deb10u1build0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.6-1.1+deb10u1ubuntu0.1","binary_name":"libpam-python"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2019-16729","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"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4552-3.json"}}],"schema_version":"1.7.3"}