{"id":"CVE-2002-0653","aliases":["DEBIAN-CVE-2002-0653","DSA-135","EUVD-2002-0647","GHSA-chfp-36fq-v6g3"],"status":"published","title":"Off-by-one buffer overflow in the ssl_compat_directive function, as called by the rewrite_command...","description":"Off-by-one buffer overflow in the ssl_compat_directive function, as called by the rewrite_command hook for mod_ssl Apache module 2.8.9 and earlier, allows local users to execute arbitrary code as the Apache server user via .htaccess files with long entries.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01138,"percentile":0.66782,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-193"],"published":"2002-07-02T00:00:00Z","modified":"2026-06-16T21:57:52Z","exploits":[{"source":"exploitdb","id":"EDB-21575","title":"Apache mod_ssl 2.8.x - Off-by-One HTAccess Buffer Overflow","type":"dos","platform":"multiple","date":"2002-06-22","verified":true,"url":"https://www.exploit-db.com/exploits/21575"}],"fixes":[{"ecosystem":"Debian:3.0","package":"libapache-mod-ssl","fixed_in":["2.8.9-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:3.0","package":"libapache-mod-ssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.9-2"}]}],"versions":["2.4.10-1.3.9-1potato2","2.4.10-1.3.9-1potato4","2.8.7-1"]}],"products":[{"vendor":"modssl","product":"mod_ssl"}],"references":[{"url":"http://rhn.redhat.com/errata/RHSA-2002-164.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Broken Link"]},{"url":"http://www.iss.net/security_center/static/9415.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2003-106.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Broken Link"]},{"url":"ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2002-031.0.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred","Broken Link"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000504","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred","Broken Link"]},{"url":"http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-048.php","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred","Broken Link"]},{"url":"http://www.novell.com/linux/security/advisories/2002_028_mod_ssl.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2002-134.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2002-136.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Broken Link"]},{"url":"http://marc.info/?l=vuln-dev\u0026m=102477330617604\u0026w=2","tags":["mailing-list","x_refsource_VULN-DEV","x_transferred","Mailing List"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-06/0350.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/5084","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"http://marc.info/?l=bugtraq\u0026m=102513970919836\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List"]},{"url":"http://www.redhat.com/support/errata/RHSA-2002-135.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Broken Link"]},{"url":"http://www.redhat.com/support/errata/RHSA-2002-146.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Broken Link"]},{"url":"http://archives.neohapsis.com/archives/hp/2002-q3/0018.html","tags":["vendor-advisory","x_refsource_HP","x_transferred","Broken Link"]},{"url":"http://www.debian.org/security/2002/dsa-135","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Broken Link"]},{"url":"http://marc.info/?l=bugtraq\u0026m=102563469326072\u0026w=2","tags":["vendor-advisory","x_refsource_ENGARDE","x_transferred","Mailing List","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0653"},{"url":"https://github.com/advisories/GHSA-chfp-36fq-v6g3"}],"sources":{"cve":[{"id":"CVE-2002-0653","description":"Off-by-one buffer overflow in the ssl_compat_directive function, as called by the rewrite_command hook for mod_ssl Apache module 2.8.9 and earlier, allows local users to execute arbitrary code as the Apache server user via .htaccess files with long entries.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:56:38.466Z","updated_at":"2026-11-02T14:33:55.303902Z"}],"euvd":[{"id":"EUVD-2002-0647","description":"Off-by-one buffer overflow in the ssl_compat_directive function, as called by the rewrite_command hook for mod_ssl Apache module 2.8.9 and earlier, allows local users to execute arbitrary code as the Apache server user via .htaccess files with long entries.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:56:38Z","updated_at":"2026-11-03T01:14:59.632362Z"}],"ghsa":[{"id":"GHSA-chfp-36fq-v6g3","title":"Off-by-one buffer overflow in the ssl_compat_directive function, as called by the rewrite_command...","description":"Off-by-one buffer overflow in the ssl_compat_directive function, as called by the rewrite_command hook for mod_ssl Apache module 2.8.9 and earlier, allows local users to execute arbitrary code as the Apache server user via .htaccess files with long entries.","status":"published","published":"2022-05-03T03:07:56Z","modified":"2023-02-01T05:01:01Z","updated_at":"2026-11-02T14:49:39.185404Z"}],"nvd":[{"id":"CVE-2002-0653","description":"Off-by-one buffer overflow in the ssl_compat_directive function, as called by the rewrite_command hook for mod_ssl Apache module 2.8.9 and earlier, allows local users to execute arbitrary code as the Apache server user via .htaccess files with long entries.","status":"published","published":"2002-07-11T04:00:00Z","modified":"2026-06-16T21:57:52.273Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:00:42.220505Z"}],"osv":[{"id":"DSA-135","title":"libapache-mod-ssl -- buffer overflow / DoS","status":"published","published":"2002-07-02T00:00:00Z","modified":"2026-03-09T01:00:43.818145Z","updated_at":"2026-11-02T15:46:14.285228Z"}]}}