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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade openldap-servers-sqlUpgrade openldap-clientsUpgrade openldapUpgrade openldap-develUpgrade openldap-servers-overlaysUpgrade compat-openldapUpgrade openldap-servers | Dec 1, 2016 | Mar 19, 2011 |
| Debian | — | Upgrade openldap | Jul 30, 2024 | Mar 20, 2011 |
| Gentoo Linux | — | Upgrade net-nds/openldap. | Oct 30, 2017 | Mar 19, 2011 |
| Oracle_linux | — | Upgrade openldap-servers-sqlUpgrade openldap-clientsUpgrade compat-openldapUpgrade openldap-develUpgrade openldap-serversUpgrade openldap | Oct 16, 2024 | Mar 20, 2011 |
| Suse | — | Upgrade openldap2-back-metaUpgrade openldap2-back-perlUpgrade openldap2-back-sqlUpgrade openldap2-docUpgrade openldap2 | Feb 17, 2015 | Mar 19, 2011 |
| Ubuntu | — | Upgrade slapd | Nov 8, 2024 | Mar 20, 2011 |
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