{"id":"CVE-2009-20008","aliases":["EUVD-2009-5119","GHSA-77h7-jw4m-wrmh"],"status":"published","title":"Green Dam 3.17 URL Processing Buffer Overflow","description":"Green Dam Youth Escort version 3.17 is vulnerable to a stack-based buffer overflow when processing overly long URLs. The flaw resides in the URL filtering component, which fails to properly validate input length before copying user-supplied data into a fixed-size buffer. A remote attacker can exploit this vulnerability by enticing a user to visit a specially crafted webpage containing a long URL, resulting in arbitrary code execution.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01491,"percentile":0.74327,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2025-08-30T13:47:42Z","modified":"2026-10-02T00:31:28Z","exploits":[{"source":"metasploit","id":"exploit/windows/browser/greendam_url","title":"Green Dam URL Processing Buffer Overflow","type":"exploit","platform":"Windows","date":"2009-06-11","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/browser/greendam_url"}],"products":[{"vendor":"zhengzhou jinhui computer system engineering co. ltd. ; beijing dazheng human language technology academy","product":"green dam youth escort"}],"references":[{"url":"https://web.archive.org/web/20110426190759/http://www.cse.umich.edu/~jhalderm/pub/gd/","tags":["technical-description"]},{"url":"https://en.wikipedia.org/wiki/Green_Dam_Youth_Escort","tags":["product"]},{"url":"https://www.exploit-db.com/exploits/8969","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/8938","tags":["exploit"]},{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/browser/greendam_url.rb","tags":["exploit"]},{"url":"https://www.vulncheck.com/advisories/green-dam-url-processing-buffer-overflow","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-20008"},{"url":"https://web.archive.org/web/20110426190759/http://www.cse.umich.edu/~jhalderm/pub/gd"},{"url":"https://github.com/advisories/GHSA-77h7-jw4m-wrmh"}],"sources":{"cve":[{"id":"CVE-2009-20008","title":"Green Dam 3.17 URL Processing Buffer Overflow","description":"Green Dam Youth Escort version 3.17 is vulnerable to a stack-based buffer overflow when processing overly long URLs. The flaw resides in the URL filtering component, which fails to properly validate input length before copying user-supplied data into a fixed-size buffer. A remote attacker can exploit this vulnerability by enticing a user to visit a specially crafted webpage containing a long URL, resulting in arbitrary code execution.","status":"published","published":"2025-08-30T13:47:42.991Z","modified":"2026-05-25T23:40:47.363Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:22.699876Z"}],"euvd":[{"id":"EUVD-2009-5119","description":"Green Dam Youth Escort version 3.17 is vulnerable to a stack-based buffer overflow when processing overly long URLs. The flaw resides in the URL filtering component, which fails to properly validate input length before copying user-supplied data into a fixed-size buffer. A remote attacker can exploit this vulnerability by enticing a user to visit a specially crafted webpage containing a long URL, resulting in arbitrary code execution.","status":"published","published":"2025-08-30T13:47:42Z","modified":"2026-05-25T23:40:47Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:21:08.174412Z"}],"ghsa":[{"id":"GHSA-77h7-jw4m-wrmh","title":"Green Dam Youth Escort version 3.17 is vulnerable to a stack-based buffer overflow when...","description":"Green Dam Youth Escort version 3.17 is vulnerable to a stack-based buffer overflow when processing overly long URLs. The flaw resides in the URL filtering component, which fails to properly validate input length before copying user-supplied data into a fixed-size buffer. A remote attacker can exploit this vulnerability by enticing a user to visit a specially crafted webpage containing a long URL, resulting in arbitrary code execution.","status":"published","published":"2026-10-02T00:31:21Z","modified":"2026-10-02T00:31:28Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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-121"],"updated_at":"2026-11-02T15:12:41.838372Z"}],"nvd":[{"id":"CVE-2009-20008","description":"Green Dam Youth Escort version 3.17 is vulnerable to a stack-based buffer overflow when processing overly long URLs. The flaw resides in the URL filtering component, which fails to properly validate input length before copying user-supplied data into a fixed-size buffer. A remote attacker can exploit this vulnerability by enticing a user to visit a specially crafted webpage containing a long URL, resulting in arbitrary code execution.","status":"published","published":"2025-08-30T14:15:33.84Z","modified":"2026-10-01T23:10:00.233Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:01:38.972805Z"}]}}