{"id":"CVE-2017-9430","aliases":["DEBIAN-CVE-2017-9430","EUVD-2017-18365","GHSA-wr66-cqr2-pw8r","UBUNTU-CVE-2017-9430"],"status":"published","title":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of...","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.11411,"percentile":0.96028,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2017-06-05T11:12:00Z","modified":"2026-10-17T12:53:22Z","exploits":[{"source":"exploitdb","id":"EDB-42115","title":"DNSTracer 1.8.1 - Buffer Overflow (PoC)","type":"dos","platform":"linux","date":"2017-06-05","verified":true,"url":"https://www.exploit-db.com/exploits/42115"},{"source":"exploitdb","id":"EDB-42424","title":"DNSTracer 1.9 - Local Buffer Overflow","type":"local","platform":"linux","date":"2017-08-03","url":"https://www.exploit-db.com/exploits/42424"},{"source":"pocgithub","id":"homjxi0e/CVE-2017-9430","title":"homjxi0e/CVE-2017-9430","date":"2017-06-08","url":"https://github.com/homjxi0e/CVE-2017-9430"},{"source":"pocgithub","id":"j0lama/Dnstracer-1.9-Fix","title":"j0lama/Dnstracer-1.9-Fix","date":"2017-11-22","url":"https://github.com/j0lama/Dnstracer-1.9-Fix"}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-1","1.9-7","1.9-8"]},{"source":"osv","ecosystem":"Debian:13","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-1","1.9-8"]},{"source":"osv","ecosystem":"Debian:14","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10-1","1.9-8"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-5"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-5build1","1.9-6","1.9-7","1.9-7build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-7build1","1.9-8","1.9-8build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-8build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-8build2","1.10-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"dnstracer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9-8build1","1.9-8build2"]}],"products":[{"vendor":"dnstracer_project","product":"dnstracer"}],"references":[{"url":"https://www.exploit-db.com/exploits/42115/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Third Party Advisory","advisory"]},{"url":"https://cxsecurity.com/issue/WLB-2017060030","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://www.exploit-db.com/exploits/42424/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"https://packetstormsecurity.com/files/142799/DNSTracer-1.8.1-Buffer-Overflow.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9430"},{"url":"https://www.exploit-db.com/exploits/42115"},{"url":"https://www.exploit-db.com/exploits/42424"},{"url":"https://github.com/advisories/GHSA-wr66-cqr2-pw8r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-9430","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-9430","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-9430","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-9430","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","status":"published","published":"2017-06-05T11:12:00Z","modified":"2024-08-05T17:02:44.458Z","updated_at":"2026-11-02T14:33:13.96587Z"}],"euvd":[{"id":"EUVD-2017-18365","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","status":"published","published":"2017-06-05T11:12:00Z","modified":"2024-08-05T17:02:44Z","updated_at":"2026-11-03T02:23:28.210565Z"}],"ghsa":[{"id":"GHSA-wr66-cqr2-pw8r","title":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of...","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","status":"published","published":"2022-05-17T02:15:29Z","modified":"2025-04-20T03:38:27Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:46.283604Z"}],"nvd":[{"id":"CVE-2017-9430","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","status":"published","published":"2017-06-05T11:29:00.183Z","modified":"2026-06-17T01:28:05.223Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:49.449157Z"}],"osv":[{"id":"CVE-2017-9430","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","status":"published","published":"2017-06-05T11:29:00.183Z","modified":"2026-03-15T14:25:47.318279Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:06.868403Z"},{"id":"DEBIAN-CVE-2017-9430","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","status":"published","published":"2017-06-05T11:29:00.183Z","modified":"2026-09-01T20:03:52.288796506Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-9430","description":"Stack-based buffer overflow in dnstracer through 1.9 allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a command line with a long name argument that is mishandled in a strcpy call for argv[0]. An example threat model is a web application that launches dnstracer with an untrusted name string.","status":"published","published":"2017-06-05T11:29:00Z","modified":"2026-10-17T12:53:22.673541358Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:16.154988Z"}]}}