RedhatCVELIST:CVE-2011-1024CVE-2011-1024
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.
References
kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
openwall.com/lists/oss-security/2011/02/24/12
openwall.com/lists/oss-security/2011/02/25/13
secunia.com/advisories/43331
secunia.com/advisories/43708
secunia.com/advisories/43718
security.gentoo.org/glsa/glsa-201406-36.xml
securitytracker.com/id?1025188
www.mandriva.com/security/advisories?name=MDVSA-2011:055
www.mandriva.com/security/advisories?name=MDVSA-2011:056
www.openldap.org/devel/cvsweb.cgi/servers/slapd/back-ldap/chain.c.diff?r1=1.76&r2=1.77&hideattic=1&sortbydate=0
www.openldap.org/its/index.cgi/Software%20Bugs?id=6607
www.openldap.org/lists/openldap-announce/201102/msg00000.html
www.openldap.org/lists/openldap-technical/201004/msg00247.html
www.redhat.com/support/errata/RHSA-2011-0346.html
www.redhat.com/support/errata/RHSA-2011-0347.html
www.ubuntu.com/usn/USN-1100-1
www.vupen.com/english/advisories/2011/0665
bugzilla.novell.com/show_bug.cgi?id=674985
bugzilla.redhat.com/show_bug.cgi?id=680466
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