CVE-2019-11499

Published: 30 April 2019

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login component crashes if AUTH PLAIN is attempted over a TLS secured channel with an unacceptable authentication message.

Notes

Author	Note
mdeslaur	affects 2.3.0 - 2.3.5.2

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
dovecot Launchpad, Ubuntu, Debian	bionic	Not vulnerable (1:2.2.33.2-1ubuntu4.3)
	cosmic	Released (1:2.3.2.1-1ubuntu3.4)
	disco	Released (1:2.3.4.1-1ubuntu2.2)
	trusty	Not vulnerable
	upstream	Released (2.3.6)
	xenial	Not vulnerable (1:2.2.22-1ubuntu2.10)

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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