{"schemaVersion":3,"id":"USN-3935-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"busybox vulnerabilities\n\nTyler Hicks discovered that BusyBox incorrectly handled symlinks inside tar\narchives. If a user or automated system were tricked into processing a\nspecially crafted tar archive, a remote attacker could overwrite arbitrary\nfiles outside of the current directory. This issue only affected Ubuntu\n14.04 LTS and Ubuntu 16.04 LTS. (CVE-2011-5325)\n\nMathias Krause discovered that BusyBox incorrectly handled kernel module\nloading restrictions. A local attacker could possibly use this issue to\nbypass intended restrictions. This issue only affected Ubuntu 14.04 LTS.\n(CVE-2014-9645)\n\nIt was discovered that BusyBox incorrectly handled certain ZIP archives. If\na user or automated system were tricked into processing a specially crafted\nZIP archive, a remote attacker could cause BusyBox to crash, leading to a\ndenial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu\n16.04 LTS. (CVE-2015-9261)\n\nNico Golde discovered that the BusyBox DHCP client incorrectly handled\ncertain malformed domain names. A remote attacker could possibly use this\nissue to cause the DHCP client to crash, leading to a denial of service.\nThis issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS.\n(CVE-2016-2147)\n\nNico Golde discovered that the BusyBox DHCP client incorrectly handled\ncertain 6RD options. A remote attacker could use this issue to cause the\nDHCP client to crash, leading to a denial of service, or possibly execute\narbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04\nLTS. (CVE-2016-2148)\n\nIt was discovered that BusyBox incorrectly handled certain bzip2 archives.\nIf a user or automated system were tricked into processing a specially\ncrafted bzip2 archive, a remote attacker could cause BusyBox to crash,\nleading to a denial of service, or possibly execute arbitrary code. This\nissue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-15873)\n\nIt was discovered that BusyBox incorrectly handled tab completion. A local\nattacker could possibly use this issue to execute arbitrary code. This\nissue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-16544)\n\nIt was discovered that the BusyBox wget utility incorrectly handled certain\nresponses. A remote attacker could use this issue to cause BusyBox to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2018-1000517)\n\nIt was discovered that the BusyBox DHCP utilities incorrectly handled\ncertain memory operations. A remote attacker could possibly use this issue\nto access sensitive information. (CVE-2018-20679, CVE-2019-5747)","dates":{"published":"2019-04-03T11:59:48.000Z","modified":"2026-02-10T04:41:31.000Z","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":"busybox","name":"busybox","label":"busybox","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/busybox","purlType":"deb","versions":[{"text":"< 1:1.21.0-1ubuntu1.4","noFixRecorded":false,"fixedIn":null},{"text":"< 1:1.22.0-15ubuntu1.4","noFixRecorded":false,"fixedIn":null},{"text":"< 1:1.27.2-2ubuntu3.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.21.0-1ubuntu1.4 | < 1:1.22.0-15ubuntu1.4 | < 1:1.27.2-2ubuntu3.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3935-1","label":"ubuntu.com/security/notices/USN-3935-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2011-5325","label":"ubuntu.com/security/CVE-2011-5325","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2014-9645","label":"ubuntu.com/security/CVE-2014-9645","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2015-9261","label":"ubuntu.com/security/CVE-2015-9261","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-2147","label":"ubuntu.com/security/CVE-2016-2147","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-2148","label":"ubuntu.com/security/CVE-2016-2148","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-15873","label":"ubuntu.com/security/CVE-2017-15873","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-16544","label":"ubuntu.com/security/CVE-2017-16544","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-20679","label":"ubuntu.com/security/CVE-2018-20679","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-1000517","label":"ubuntu.com/security/CVE-2018-1000517","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2019-5747","label":"ubuntu.com/security/CVE-2019-5747","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2011-5325","CVE-2014-9645","CVE-2015-9261","CVE-2016-2147","CVE-2016-2148","CVE-2017-15873","CVE-2017-16544","CVE-2018-1000517","CVE-2018-20679","CVE-2019-5747"],"downstream":[],"duplicates":[],"related":["CVE-2011-5325","CVE-2014-9645","CVE-2015-9261","CVE-2016-2147","CVE-2016-2148","CVE-2017-15873","CVE-2017-16544","CVE-2018-1000517","CVE-2018-20679","CVE-2019-5747"]},"timeline":[{"kind":"published","date":"2019-04-03T11:59:48.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:41:31.000Z","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":"2026-10-19T16:40:41.165Z","stale":false,"partial":false}}