{"id":"CVE-2011-1024","details":"chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.","modified":"2026-04-10T03:41:40.180514Z","published":"2011-03-20T02:00:03Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/43331"},{"type":"ADVISORY","url":"http://secunia.com/advisories/43708"},{"type":"ADVISORY","url":"http://secunia.com/advisories/43718"},{"type":"ADVISORY","url":"http://security.gentoo.org/glsa/glsa-201406-36.xml"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:055"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:056"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1100-1"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2011/0665"},{"type":"FIX","url":"http://www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-ldap/chain.c.diff?r1=1.76&r2=1.77&hideattic=1&sortbydate=0"},{"type":"FIX","url":"http://www.openldap.org/lists/openldap-announce/201102/msg00000.html"},{"type":"REPORT","url":"https://bugzilla.novell.com/show_bug.cgi?id=674985"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=680466"},{"type":"WEB","url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705"},{"type":"WEB","url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735"},{"type":"WEB","url":"http://openwall.com/lists/oss-security/2011/02/24/12"},{"type":"WEB","url":"http://openwall.com/lists/oss-security/2011/02/25/13"},{"type":"WEB","url":"http://securitytracker.com/id?1025188"},{"type":"WEB","url":"http://www.openldap.org/its/index.cgi/Software%20Bugs?id=6607"},{"type":"WEB","url":"http://www.openldap.org/lists/openldap-technical/201004/msg00247.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2011-0346.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2011-0347.html"}],"schema_version":"1.7.5"}