{"schemaVersion":3,"id":"CVE-2019-3463","aliases":["ALPINE-CVE-2019-3463","UBUNTU-CVE-2019-3463"],"status":"published","duplicateOf":null,"title":null,"description":"Insufficient sanitization of arguments passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.","dates":{"published":"2019-02-06T19:00:00.000Z","modified":"2024-09-17T01:31:33.198Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Alpine","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.04869,"percentile":0.92014,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.04869},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.04869,"percentile":0.92014}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.04869,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.04869,"percentile":0.92014}]},"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":[{"id":"CWE-88","name":"Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","description":"The product constructs a string for a command to be executed by a separate component\nin another control sphere, but it does not properly delimit the\nintended arguments, options, or switches within that command string.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/88.html"}],"affected":[{"vendor":"alpine","product":"rssh","name":"rssh","label":"rssh","ecosystem":"Alpine Linux","cpePart":null,"purl":"pkg:apk/alpine/rssh","purlType":"apk","versions":[{"text":"< 2.3.4-r2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.3.4-r2","eol":null,"hubHref":null},{"vendor":"canonical","product":"ubuntu_linux","name":"ubuntu linux","label":"ubuntu_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"14.04","noFixRecorded":false,"fixedIn":null},{"text":"16.04","noFixRecorded":false,"fixedIn":null},{"text":"18.04","noFixRecorded":false,"fixedIn":null},{"text":"18.10","noFixRecorded":false,"fixedIn":null}],"versionsText":"14.04 | 16.04 | 18.04 | 18.10","eol":{"isEol":true,"eolDate":"2019-04-02T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"14.04","label":"14.04 'Trusty Tahr' (LTS)","eolFrom":"2019-04-02T00:00:00.000Z","isLts":true,"isMaintained":false,"latestVersion":"14.04.6"},"product":{"name":"ubuntu","label":"Ubuntu","category":"os"}},"hubHref":"/vendor/canonical/ubuntu_linux"},{"vendor":"ubuntu","product":"rssh","name":"rssh","label":"rssh","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/rssh","purlType":"deb","versions":[{"text":"< 2.3.4-4+deb8u2ubuntu0.14.04.2","noFixRecorded":false,"fixedIn":null},{"text":"< 2.3.4-4+deb8u2ubuntu0.16.04.2","noFixRecorded":false,"fixedIn":null},{"text":"< 2.3.4-7ubuntu0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.3.4-4+deb8u2ubuntu0.14.04.2 | < 2.3.4-4+deb8u2ubuntu0.16.04.2 | < 2.3.4-7ubuntu0.1","eol":null,"hubHref":null},{"vendor":"debian gnu/linux","product":"rssh","name":"rssh","label":"rssh","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"All versions before 2.3.4-5+deb9u2 and 2.3.4-10","noFixRecorded":false,"fixedIn":null}],"versionsText":"All versions before 2.3.4-5+deb9u2 and 2.3.4-10","eol":null,"hubHref":"/vendor/debian_gnulinux/rssh"},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"9.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"8.0 | 9.0","eol":{"isEol":true,"eolDate":"2020-06-30T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"8","label":"8 (Jessie)","eolFrom":"2020-06-30T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"8.11"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"29","noFixRecorded":false,"fixedIn":null},{"text":"30","noFixRecorded":false,"fixedIn":null},{"text":"31","noFixRecorded":false,"fixedIn":null}],"versionsText":"29 | 30 | 31","eol":{"isEol":true,"eolDate":"2019-11-26T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"29","label":"29","eolFrom":"2019-11-26T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"pizzashack","product":"rssh","name":"rssh","label":"rssh","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.3.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.3.4","eol":null,"hubHref":"/vendor/pizzashack/rssh"}],"affectedCount":7,"eol":{"hasEol":true,"count":3},"references":[{"url":"https://www.debian.org/security/2019/dsa-4382","label":"www.debian.org/security/2019/dsa-4382","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00007.html","label":"lists.debian.org/debian-lts-announce/2019/02/msg00007.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/106839","label":"www.securityfocus.com/bid/106839","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable/","label":"tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable/","hostname":"tracker.debian.org","tags":["X Refsource MISC","REPORT","Third Party Advisory"]},{"url":"https://usn.ubuntu.com/3946-1/","label":"usn.ubuntu.com/3946-1/","hostname":"usn.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HO3MDU3AH5SLYBKHH5PJ6PHC63ASIF42/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T42YYNWJZG422GATWAHAEK4A24OKY557/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KR2OHTHMJVV4DO3HDRFQQZ5JENHDJQEN/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://security.gentoo.org/glsa/202007-29","label":"security.gentoo.org/glsa/202007-29","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2021/May/78","label":"seclists.org/fulldisclosure/2021/May/78","hostname":"seclists.org","tags":["Mailing List","X Refsource FULLDISC","Not Applicable","Third Party Advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2019-3463","label":"security.alpinelinux.org/vuln/CVE-2019-3463","hostname":"security.alpinelinux.org","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-3463","label":"ubuntu.com/security/CVE-2019-3463","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://salsa.debian.org/debian/rssh/commit/3536b6d8e77ece7d66215fe1d08cf633d6b1c97b","label":"salsa.debian.org/debian/rssh/commit/3536b6d8e77ece7d66215fe1d08cf633d6b1c97b","hostname":"salsa.debian.org","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-3946-1","label":"ubuntu.com/security/notices/USN-3946-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-3463","label":"www.cve.org/CVERecord?id=CVE-2019-3463","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["DLA-1660-1","DSA-4382-1","USN-3946-1"],"duplicates":[],"related":["USN-3946-1"]},"timeline":[{"kind":"published","date":"2019-02-06T19:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T01:31:33.198Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T19:48:35.703Z","stale":false,"partial":false}}