{"id":"CVE-2003-0190","details":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","modified":"2026-04-10T03:36:05.743449Z","published":"2003-05-12T04:00:00Z","references":[{"type":"ADVISORY","url":"http://lab.mediaservice.net/advisory/2003-01-openssh.txt"},{"type":"ADVISORY","url":"http://marc.info/?l=bugtraq&m=105172058404810&w=2"},{"type":"ADVISORY","url":"http://marc.info/?l=bugtraq&m=106018677302607&w=2"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/7467"},{"type":"ADVISORY","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"},{"type":"EVIDENCE","url":"http://www.securityfocus.com/bid/7467"},{"type":"FIX","url":"http://www.securityfocus.com/bid/7467"},{"type":"WEB","url":"http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2003-222.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2003-224.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/7467"},{"type":"WEB","url":"http://www.turbolinux.com/security/TLSA-2003-31.txt"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445"}],"schema_version":"1.7.5"}