Bug 1709244 (CVE-2019-11494)

Summary:	CVE-2019-11494 dovecot: premature disconnection from client during AUTH command leads to crash and possible DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	anon.amish, bennie.joubert, bojan, janfrode, mailinglists, mhlavink
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:55:27 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1709245
Bug Blocks:

Description Marian Rehak 2019-05-13 09:10:40 UTC

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.

Upstream Bug:

https://dovecot.org/list/dovecot-news/2019-April/000409.html

Comment 1 Marian Rehak 2019-05-13 09:10:54 UTC

Created dovecot tracking bugs for this issue:

Affects: fedora-all [bug 1709245]

Comment 2 Bojan Smojver 2019-05-31 00:53:02 UTC

No builds for F30 to fix this. I asked several times in bug #1672622, but no action has been taken there.