Bug 219665 (CVE-2006-6107)

Summary:	CVE-2006-6107 D-Bus denial of service
Product:	[Other] Security Response	Reporter:	Josh Bressers <bressers>
Component:	vulnerability	Assignee:	David Zeuthen <davidz>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	johnp, lkundrak, mclasen, security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	1.0.1-7.fc6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2007-08-08 14:47:07 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:

Description Josh Bressers 2006-12-14 18:11:33 UTC

+++ This bug was initially created as a clone of Bug #218055 +++

Kimmo Hämäläinen reported a DoS flaw in D-Bus to the freedesktop.org
bugzilla.  To quote his bug:

        I found a nasty bug from match_rule_equal() that can cause matches
        to be removed from another connections (thanks goes to other guys
        for finding reproducable use case for the bug).

This flaw can cause a local user to disable the the ability of another
process to receive certain messages.  This flaw does not contain any
potential for arbitrary code execution.  Here is a more details description
from Kimmo:

        We don't have the software public yet, but the use case was the
        following.  There are three processes A, B, and C. All of them add
        the same match (same value). A is started first, then B, and lastly
        C. Now, B and C are closed: if B is closed before C, A's match is
        removed; but if C is closed before B, A's match is not removed (no
        buggy behaviour). (B and C call dbus_bus_remove_match on exit.)

Comment 1 David Zeuthen 2006-12-15 20:31:21 UTC

Will schedule package update

* Fri Dec 15 2006 David Zeuthen <davidz> - 1.0.1-7%{?dist}
- CVE-2006-6107: D-Bus denial of service
- Resolves: #219665

Comment 2 Lubomir Kundrak 2007-08-02 12:09:20 UTC

David: Probably the issue is fixed in dbus-1.0.1-12.fc6, right? Is there any
reason for not closing this bug?