Bug 1034209 (CVE-2013-4459)

Summary: CVE-2013-4459 lightdm: guest account restrictions bypass
Product: [Other] Security Response Reporter: Ratul Gupta <ratulg>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: christoph.wickert, gregor, rdieter
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: 2015-08-22 14:48:40 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: 1034212    
Bug Blocks:    

Description Ratul Gupta 2013-11-25 12:39:24 UTC
Common Vulnerabilities and Exposures assigned an identifier CVE-2013-4459 to
the following vulnerability:

Name: CVE-2013-4459
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4459
Assigned: 20130612
Reference: http://lists.freedesktop.org/archives/lightdm/2013-October/000471.html
Reference: http://lists.freedesktop.org/archives/lightdm/2013-October/000472.html
Reference: https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/1243339
Reference: UBUNTU:USN-2012-1
Reference: http://www.ubuntu.com/usn/USN-2012-1

LightDM 1.7.5 through 1.8.3 and 1.9.x before 1.9.2 does not apply the AppArmor profile to the Guest account, which allows local users to bypass intended restrictions by leveraging the Guest account.

Comment 1 Ratul Gupta 2013-11-25 12:40:21 UTC
Created lightdm tracking bugs for this issue:

Affects: fedora-all [bug 1034212]