{"id":"CVE-2012-0955","details":"software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates under python3 if a valid certificate bundle was provided. Fixed in software-properties version 0.92.","modified":"2026-04-10T03:42:13.102854Z","published":"2020-12-02T01:15:11Z","references":[{"type":"ADVISORY","url":"https://code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/119753"},{"type":"ADVISORY","url":"https://launchpad.net/bugs/1036839"},{"type":"EVIDENCE","url":"https://launchpad.net/bugs/1036839"},{"type":"FIX","url":"https://code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/119753"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}