Bug 750632 (CVE-2011-4091)

Summary:	CVE-2011-4091 net6: user information exposure flaw
Product:	[Other] Security Response	Reporter:	Vincent Danen <vdanen>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	pfrields
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-19 21:50:52 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:	750633, 750634
Bug Blocks:

Description Vincent Danen 2011-11-01 20:25:18 UTC

Vasiliy Kulikov reported [1] that libnet6 would check for user color collisions prior to authentication.  This could allow for the disclosure of certain user information by users that were not authenticated.

This has been corrected in git [2].

[1] http://www.openwall.com/lists/oss-security/2011/10/30/3
[2] http://git.0x539.de/?p=net6.git;a=commitdiff;h=84afca022f063f89bfcd4bb32b1ee911f555abf1;hp=ac61d7fb42a1f977fb527e024bede319c4a9e169

Comment 1 Vincent Danen 2011-11-01 20:26:46 UTC

Created net6 tracking bugs for this issue

Affects: fedora-all [bug 750633]
Affects: epel-all [bug 750634]

Comment 2 Fedora Update System 2011-11-25 02:04:53 UTC

net6-1.3.14-1.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2011-11-25 02:04:57 UTC

net6-1.3.14-1.el5 has been pushed to the Fedora EPEL 5 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 4 Fedora Update System 2011-11-25 02:06:40 UTC

net6-1.3.14-1.el6 has been pushed to the Fedora EPEL 6 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 5 Fedora Update System 2011-11-25 02:12:29 UTC

net6-1.3.14-1.fc14 has been pushed to the Fedora 14 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 6 Fedora Update System 2011-11-25 02:16:54 UTC

net6-1.3.14-1.fc15 has been pushed to the Fedora 15 stable repository.  If problems still persist, please make note of it in this bug report.