{"id":"CVE-2017-9078","aliases":["ALPINE-CVE-2017-9078","DEBIAN-CVE-2017-9078","DSA-3859-1","EUVD-2017-18017","GHSA-p8gj-w7rh-3g6f","MGASA-2017-0165","UBUNTU-CVE-2017-9078"],"status":"published","title":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution...","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.05467,"percentile":0.928,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-415"],"published":"2017-05-19T00:00:00Z","modified":"2026-09-01T20:03:51Z","fixes":[{"ecosystem":"Alpine:v3.4","package":"dropbear","fixed_in":["2017.75-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.5","package":"dropbear","fixed_in":["2017.75-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"dropbear","fixed_in":["2016.74-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"dropbear","fixed_in":["2016.74-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"dropbear","fixed_in":["2016.74-5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.4","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017.75-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.5","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017.75-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2016.74-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2016.74-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2016.74-5"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2014.65-1+deb8u2"}]}],"versions":["2014.65-1","2014.65-1+deb8u1"],"bundled":2},{"source":"osv","ecosystem":"Mageia:5","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2014.66-1.3.mga5"}]}],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"dropbear","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2014.65-1ubuntu2","2015.68-1","2015.70-1","2015.71-1","2016.72-1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"dropbear_ssh_project","product":"dropbear_ssh"},{"vendor":"netapp","product":"h410c_firmware"}],"references":[{"url":"http://www.debian.org/security/2017/dsa-3859","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2017q2/001985.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Patch","Third Party Advisory","fix","report"]},{"url":"https://security.netapp.com/advisory/ntap-20191004-0006/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9078"},{"url":"https://security.netapp.com/advisory/ntap-20191004-0006"},{"url":"https://github.com/advisories/GHSA-p8gj-w7rh-3g6f"},{"url":"https://security.alpinelinux.org/vuln/CVE-2017-9078","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-9078","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2017-0165.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=20901","tags":["report"]},{"url":"https://matt.ucc.asn.au/dropbear/CHANGES","tags":["web","report"]},{"url":"https://ubuntu.com/security/CVE-2017-9078","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-9078","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-9078","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2017-05-19T14:00:00Z","modified":"2024-08-05T16:55:22.121Z","updated_at":"2026-11-02T14:33:13.606903Z"}],"euvd":[{"id":"EUVD-2017-18017","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2017-05-19T14:00:00Z","modified":"2024-08-05T16:55:22Z","updated_at":"2026-11-03T02:23:29.187521Z"}],"ghsa":[{"id":"GHSA-p8gj-w7rh-3g6f","title":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution...","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2022-05-13T01:39:42Z","modified":"2025-04-20T03:38:56Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T15:01:46.283604Z"}],"nvd":[{"id":"CVE-2017-9078","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2017-05-19T14:29:00.28Z","modified":"2026-06-17T01:27:27.043Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.5,"vector":"AV:N/AC:M/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:03:49.449157Z"}],"osv":[{"id":"ALPINE-CVE-2017-9078","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2017-05-19T14:29:00.28Z","modified":"2026-06-15T18:26:04.650893456Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:47.187336Z"},{"id":"CVE-2017-9078","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2017-05-19T14:29:00.28Z","modified":"2026-04-16T06:24:53.135792788Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.868403Z"},{"id":"DEBIAN-CVE-2017-9078","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2017-05-19T14:29:00.28Z","modified":"2026-09-01T20:03:51.396307226Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-9078","description":"The server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.","status":"published","published":"2017-05-19T14:29:00Z","modified":"2025-10-24T04:46:19Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.154988Z"},{"id":"DSA-3859-1","title":"dropbear - security update","status":"published","published":"2017-05-19T00:00:00Z","modified":"2026-03-09T01:22:42.605269Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"MGASA-2017-0165","title":"Updated dropbear packages fix security vulnerability","description":"A double-free in the server could be triggered by an authenticated user if\ndropbear is running with -a (CVE-2017-9078). The default Mageia\nconfiguration does not set -a, so is not vulnerable\n\nDropbear parsed authorized_keys as root, even if it were a symlink. The\nfix is to switch to user permissions when opening authorized_keys\n(CVE-2017-9079)\n","status":"published","published":"2017-06-10T07:01:18Z","modified":"2026-04-16T06:24:11.20470622Z","updated_at":"2026-11-02T15:49:40.103088Z"}]}}