{"id":"CVE-2012-10053","aliases":["EUVD-2012-6582","GHSA-2c3g-g985-wqv4"],"status":"published","title":"Simple Web Server Connection Header Buffer Overflow","description":"Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of the Connection HTTP header. When a remote attacker sends an overly long string in this header, the server uses vsprintf() without proper bounds checking, leading to a buffer overflow on the stack. This flaw allows remote attackers to execute arbitrary code with the privileges of the web server process. The vulnerability is triggered before authentication.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01876,"percentile":0.79552,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2025-08-08T18:12:53Z","modified":"2026-06-16T23:38:45Z","exploits":[{"source":"metasploit","id":"exploit/windows/fileformat/somplplayer_m3u","title":"S.O.M.P.L 1.0 Player Buffer Overflow","type":"exploit","platform":"Windows","date":"2010-01-22","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/fileformat/somplplayer_m3u"},{"source":"metasploit","id":"exploit/windows/http/sws_connection_bof","title":"Simple Web Server Connection Header Buffer Overflow","type":"exploit","platform":"Windows","date":"2012-07-20","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/http/sws_connection_bof"}],"products":[{"vendor":"pmsoftware","product":"simple web server"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/sws_connection_bof.rb","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/19937","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/20028","tags":["exploit"]},{"url":"http://ghostinthelab.wordpress.com/2012/07/19/simplewebserver-2-2-rc2-remote-buffer-overflow-exploit/","tags":["technical-description","exploit"]},{"url":"http://www.pmx.it/software/sws.asp","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/simple-web-server-connection-header-buffer-overflow","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-10053"},{"url":"http://ghostinthelab.wordpress.com/2012/07/19/simplewebserver-2-2-rc2-remote-buffer-overflow-exploit"},{"url":"https://github.com/advisories/GHSA-2c3g-g985-wqv4"}],"sources":{"cve":[{"id":"CVE-2012-10053","title":"Simple Web Server Connection Header Buffer Overflow","description":"Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of the Connection HTTP header. When a remote attacker sends an overly long string in this header, the server uses vsprintf() without proper bounds checking, leading to a buffer overflow on the stack. This flaw allows remote attackers to execute arbitrary code with the privileges of the web server process. The vulnerability is triggered before authentication.","status":"published","published":"2025-08-08T18:12:53.677Z","modified":"2026-04-07T14:02:46.918Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:34:49.600255Z"}],"euvd":[{"id":"EUVD-2012-6582","description":"Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of the Connection HTTP header. When a remote attacker sends an overly long string in this header, the server uses vsprintf() without proper bounds checking, leading to a buffer overflow on the stack. This flaw allows remote attackers to execute arbitrary code with the privileges of the web server process. The vulnerability is triggered before authentication.","status":"published","published":"2025-08-08T18:12:53Z","modified":"2026-04-07T14:02:46Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:25:14.820353Z"}],"ghsa":[{"id":"GHSA-2c3g-g985-wqv4","title":"Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of...","description":"Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of the Connection HTTP header. When a remote attacker sends an overly long string in this header, the server uses vsprintf() without proper bounds checking, leading to a buffer overflow on the stack. This flaw allows remote attackers to execute arbitrary code with the privileges of the web server process. The vulnerability is triggered before authentication.","status":"published","published":"2025-08-08T21:30:40Z","modified":"2025-08-08T21:30:41Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/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":"critical"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:03:13.733281Z"}],"nvd":[{"id":"CVE-2012-10053","description":"Simple Web Server 2.2 rc2 contains a stack-based buffer overflow vulnerability in its handling of the Connection HTTP header. When a remote attacker sends an overly long string in this header, the server uses vsprintf() without proper bounds checking, leading to a buffer overflow on the stack. This flaw allows remote attackers to execute arbitrary code with the privileges of the web server process. The vulnerability is triggered before authentication.","status":"published","published":"2025-08-08T19:15:35.637Z","modified":"2026-06-16T23:38:45.19Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/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":"critical","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:02:18.043773Z"}]}}