CVE-2019-3814
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.
| Software | From | Fixed in |
|---|---|---|
| dovecot / dovecot | 1.1.0 | 2.2.36.1 |
| dovecot / dovecot | 2.3.0 | 2.3.4.1 |
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| canonical / ubuntu_linux | 12.04 | 12.04.x |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 18.10 | 18.10.x |
| opensuse / leap | 42.3 | 42.3.x |
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.html
- https://access.redhat.com/errata/RHSA-2019:3467
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
- 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://security.gentoo.org/glsa/201904-19
- https://www.dovecot.org/list/dovecot/2019-February/114575.html
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