{"schemaVersion":3,"id":"USN-3294-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"bash vulnerabilities\n\nBernd Dietzel discovered that Bash incorrectly expanded the hostname when\ndisplaying the prompt. If a remote attacker were able to modify a hostname,\nthis flaw could be exploited to execute arbitrary code. This issue only\naffected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.\n(CVE-2016-0634)\n\nIt was discovered that Bash incorrectly handled the SHELLOPTS and PS4\nenvironment variables. A local attacker could use this issue to execute\narbitrary code with root privileges. This issue only affected Ubuntu 14.04\nLTS, Ubuntu 16.04 LTS and Ubuntu 16.10. (CVE-2016-7543)\n\nIt was discovered that Bash incorrectly handled the popd command. A remote\nattacker could possibly use this issue to bypass restricted shells.\n(CVE-2016-9401)\n\nIt was discovered that Bash incorrectly handled path autocompletion. A\nlocal attacker could possibly use this issue to execute arbitrary code.\nThis issue only affected Ubuntu 17.04. (CVE-2017-5932)","dates":{"published":"2017-05-17T17:06:15.000Z","modified":"2026-02-10T04:41:08.000Z","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":"bash","name":"bash","label":"bash","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/bash","purlType":"deb","versions":[{"text":"< 4.3-7ubuntu1.7","noFixRecorded":false,"fixedIn":null},{"text":"< 4.3-14ubuntu1.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.3-7ubuntu1.7 | < 4.3-14ubuntu1.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3294-1","label":"ubuntu.com/security/notices/USN-3294-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-0634","label":"ubuntu.com/security/CVE-2016-0634","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-7543","label":"ubuntu.com/security/CVE-2016-7543","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-9401","label":"ubuntu.com/security/CVE-2016-9401","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-5932","label":"ubuntu.com/security/CVE-2017-5932","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2016-0634","CVE-2016-7543","CVE-2016-9401"],"downstream":[],"duplicates":[],"related":["CVE-2016-0634","CVE-2016-7543","CVE-2016-9401"]},"timeline":[{"kind":"published","date":"2017-05-17T17:06:15.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:41:08.000Z","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":"2026-10-20T22:02:09.357Z","stale":false,"partial":false}}