{"id":"CVE-2016-20048","aliases":["DEBIAN-CVE-2016-20048","EUVD-2016-10850","GHSA-2fgr-mc24-75x3","UBUNTU-CVE-2016-20048"],"status":"published","title":"iSelect 1.4.0-2+b1 Local Buffer Overflow via key parameter","description":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00169,"percentile":0.06405,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-03-28T11:58:08Z","modified":"2026-10-17T12:52:50Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-2","1.4.0-2build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-2build1","1.4.0-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-3build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-4"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-4"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"iselect","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.2-1","1.4.2-1build1"]}],"products":[{"vendor":"iselect","product":"iselect"}],"references":[{"url":"https://www.exploit-db.com/exploits/41076","tags":["exploit","report"]},{"url":"http://www.ossp.org/pkg/tool/iselect/","tags":["product","report"]},{"url":"https://www.vulncheck.com/advisories/iselect-2-b1-local-buffer-overflow-via-key-parameter","tags":["third-party-advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-20048"},{"url":"http://www.ossp.org/pkg/tool/iselect"},{"url":"https://github.com/advisories/GHSA-2fgr-mc24-75x3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-20048","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-20048","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-20048","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-20048","title":"iSelect 1.4.0-2+b1 Local Buffer Overflow via key parameter","description":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.","status":"published","published":"2026-03-28T11:58:08.355Z","modified":"2026-03-30T14:21:39.496Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:33:30.359814Z"}],"euvd":[{"id":"EUVD-2016-10850","description":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.","status":"published","published":"2026-03-28T11:58:08Z","modified":"2026-03-30T14:21:39Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:25.878486Z"}],"ghsa":[{"id":"GHSA-2fgr-mc24-75x3","title":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to...","description":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.","status":"published","published":"2026-03-28T12:30:29Z","modified":"2026-03-28T12:30:36Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:06:55.220248Z"}],"nvd":[{"id":"CVE-2016-20048","description":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.","status":"published","published":"2026-03-28T12:16:01.21Z","modified":"2026-10-07T08:10:00.2Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:03:40.811555Z"}],"osv":[{"id":"DEBIAN-CVE-2016-20048","description":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.","status":"withdrawn","published":"2026-03-28T12:16:01.21Z","modified":"2026-04-01T01:02:29.957221Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.323751Z"},{"id":"UBUNTU-CVE-2016-20048","description":"iSelect 1.4.0-2+b1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized value to the -k/--key parameter. Attackers can craft a malicious argument containing a NOP sled, shellcode, and return address to overflow a 1024-byte stack buffer and gain code execution with user privileges.","status":"published","published":"2026-03-28T12:16:00Z","modified":"2026-10-17T12:52:50.157595657Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T15:54:11.492576Z"}]}}