Bug 1303582

Summary:	websocket: incomplete read breaks authentication, login not possible
Product:	Red Hat Enterprise Linux 7	Reporter:	Dominik Perpeet <dperpeet>
Component:	cockpit	Assignee:	Dominik Perpeet <dperpeet>
Status:	CLOSED ERRATA	QA Contact:	qe-baseos-daemons
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	7.2	CC:	jscotka, lfriedma, stefw
Target Milestone:	rc	Keywords:	Extras
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	cockpit-0.93-2	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-02-16 16:20:14 UTC	Type:	Bug
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:
Bug Blocks:	1292918, 1303605

Description Dominik Perpeet 2016-02-01 11:18:55 UTC

Description of problem:
The cockpit websocket (ws) component reads from /dev/urandom during authentication initialization. If this read is interrupted or incomplete, the initialization will fail and Cockpit will not be able to initiate a user session.

Version-Release number of selected component (if applicable):
Affects current upstream (0.93) and all previous versions.

How reproducible:
Rarely to never on most configurations.

Steps to Reproduce:
1. Interrupt read during Cockpit authentication initialization

Actual results:
No login possible.

Expected results:
Login possible.


Additional info:
Tracked upstream https://github.com/cockpit-project/cockpit/issues/3632

Comment 4 errata-xmlrpc 2016-02-16 16:20:14 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-0227.html