CVE-2017-8028: Improper Authentication

May 13, 2022 (updated June 30, 2022)

In Pivotal Spring-LDAP versions 1.3.0 - 2.3.1, when connected to some LDAP servers, when no additional attributes are bound, and when using LDAP BindAuthenticator with org.springframework.ldap.core.support.DefaultTlsDirContextAuthenticationStrategy as the authentication strategy, and setting userSearch, authentication is allowed with an arbitrary password when the username is correct. This occurs because some LDAP vendors require an explicit operation for the LDAP bind to take effect.

References

access.redhat.com/errata/RHSA-2018:0319
github.com/advisories/GHSA-pjqh-2jcc-5j84
lists.debian.org/debian-lts-announce/2017/11/msg00026.html
nvd.nist.gov/vuln/detail/CVE-2017-8028
pivotal.io/security/cve-2017-8028
www.debian.org/security/2017/dsa-4046
www.oracle.com/security-alerts/cpujan2021.html

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