CVE-2019-3814

Published: 5 February 2019

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.

Priority

Cvss 3 Severity Score

6.8

Score breakdown

Status

Package	Release	Status
dovecot Launchpad, Ubuntu, Debian	upstream	Released (2.2.36.1,2.3.4.1)
	trusty	Released (1:2.2.9-1ubuntu2.5)
	xenial	Released (1:2.2.22-1ubuntu2.9)
	bionic	Released (1:2.2.33.2-1ubuntu4.2)
	cosmic	Released (1:2.3.2.1-1ubuntu3.1)

Severity score breakdown

Parameter	Value
Base score	6.8
Attack vector	Network
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

References

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