Description
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
dovecot dovecot
2.2.36.1affected2.3.4.1affected
References
- https://www.dovecot.org/list/dovecot/2019-February/114575.html ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html ↗
- https://security.gentoo.org/glsa/201904-19 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ ↗
- https://access.redhat.com/errata/RHSA-2019:3467 ↗