{"schemaVersion":3,"id":"USN-4315-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"apport vulnerabilities\n\nMaximilien Bourgeteau discovered that the Apport lock file was created with\ninsecure permissions. This could allow a local attacker to escalate their\nprivileges via a symlink attack. (CVE-2020-8831)\n\nMaximilien Bourgeteau discovered a race condition in Apport when setting\ncrash report permissions. This could allow a local attacker to read\narbitrary files via a symlink attack.  (CVE-2020-8833)","dates":{"published":"2020-04-02T00:55:53.000Z","modified":"2026-02-10T04:41:48.000Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"apport","name":"apport","label":"apport","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/apport","purlType":"deb","versions":[{"text":"< 2.20.1-0ubuntu2.23","noFixRecorded":false,"fixedIn":null},{"text":"< 2.20.9-0ubuntu7.14","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.20.1-0ubuntu2.23 | < 2.20.9-0ubuntu7.14","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4315-1","label":"ubuntu.com/security/notices/USN-4315-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-8831","label":"ubuntu.com/security/CVE-2020-8831","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-8833","label":"ubuntu.com/security/CVE-2020-8833","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-8831","CVE-2020-8833"],"downstream":[],"duplicates":[],"related":["CVE-2020-8831","CVE-2020-8833"]},"timeline":[{"kind":"published","date":"2020-04-02T00:55:53.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:41:48.000Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:18:34.123Z","stale":false,"partial":false}}