Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dovecot | Dovecot | >= 1.1.0, < 2.2.36.1 |
| Canonical | Ubuntu Linux | 12.04 |
| Opensuse | Leap | 42.3 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.htmlMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3467
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814Issue TrackingRelease NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/201904-19
- https://www.dovecot.org/list/dovecot/2019-February/114575.htmlExploitMailing ListVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00067.htmlMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3467
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3814Issue TrackingRelease NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/201904-19
- https://www.dovecot.org/list/dovecot/2019-February/114575.htmlExploitMailing ListVendor Advisory
FAQ
What is CVE-2019-3814?
CVE-2019-3814 is a vulnerability with a CVSS score of 7.7 (HIGH). 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 p...
How severe is CVE-2019-3814?
CVE-2019-3814 has been rated HIGH with a CVSS base score of 7.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-3814?
Check the references section above for vendor advisories and patch information. Affected products include: Dovecot Dovecot, Canonical Ubuntu Linux, Opensuse Leap.