{"id":"CVE-2008-0555","aliases":["EUVD-2008-0565","GHSA-7843-hchm-wf25"],"status":"published","title":"The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) ...","description":"The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0187,"percentile":0.795,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-287"],"published":"2008-04-04T00:00:00Z","modified":"2026-06-16T22:49:52Z","products":[{"vendor":"apache-ssl","product":"apache-ssl"}],"references":[{"url":"http://securityreason.com/securityalert/3797","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.cynops.de/advisories/CVE-2008-0555.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.vupen.com/english/advisories/2008/1079/references","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.apache-ssl.org/advisory-cve-2008-0555.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/41618","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/28576","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/29644","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1019784","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/490386/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-0555"},{"url":"https://github.com/advisories/GHSA-7843-hchm-wf25"}],"sources":{"cve":[{"id":"CVE-2008-0555","description":"The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.","status":"published","published":"2008-04-04T00:00:00Z","modified":"2024-08-07T07:46:54.867Z","updated_at":"2026-11-02T14:34:48.867091Z"}],"euvd":[{"id":"EUVD-2008-0565","description":"The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.","status":"published","published":"2008-04-04T00:00:00Z","modified":"2024-08-07T07:46:54Z","updated_at":"2026-11-03T01:39:05.340881Z"}],"ghsa":[{"id":"GHSA-7843-hchm-wf25","title":"The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) ...","description":"The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.","status":"published","published":"2022-05-01T23:31:26Z","modified":"2025-04-09T03:54:24Z","cwes":["CWE-20","CWE-287"],"updated_at":"2026-11-02T15:00:57.05109Z"}],"nvd":[{"id":"CVE-2008-0555","description":"The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.","status":"published","published":"2008-04-04T00:44:00Z","modified":"2026-06-16T22:49:52.087Z","cvss":[{"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-20","CWE-287"],"updated_at":"2026-11-02T14:01:25.857543Z"}]}}