CVE-2012-0943: Low severity Robert Ancell Lightdm vulnerability

Published May 22, 2014
·
Updated

debian/guest-account in Light Display Manager (lightdm) 1.0.x before 1.0.6 and 1.1.x before 1.1.7, as used in Ubuntu Linux 11.10, allows local users to delete arbitrary files via a space in the name of a file in /tmp. NOTE: this identifier was SPLIT per ADT1/ADT2 due to different codebases and affected versions. CVE-2012-6648 has been assigned for the gdm-guest-session issue.

Affected Software

14 affected components
Robert Ancell Lightdm=1.0.0
Robert Ancell Lightdm=1.0.1
Robert Ancell Lightdm=1.0.2
Robert Ancell Lightdm=1.0.3
Robert Ancell Lightdm=1.0.4
Robert Ancell Lightdm=1.0.5
Robert Ancell Lightdm=1.1.0
Robert Ancell Lightdm=1.1.1
Robert Ancell Lightdm=1.1.2
Robert Ancell Lightdm=1.1.3
Robert Ancell Lightdm=1.1.4
Robert Ancell Lightdm=1.1.5
Robert Ancell Lightdm=1.1.6
Canonical Ubuntu Linux=11.10

Remediation

Event History

May 22, 2014
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
Data Sourced
via NVD·11:55 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2012-0943?

CVE-2012-0943 has a medium severity rating due to its local file deletion capabilities.

2

How do I fix CVE-2012-0943?

To fix CVE-2012-0943, upgrade Light Display Manager to version 1.0.6 or later or to 1.1.7 or later.

3

What versions of LightDM are affected by CVE-2012-0943?

CVE-2012-0943 affects LightDM versions 1.0.0 through 1.0.5, and 1.1.0 through 1.1.6.

4

What impact does CVE-2012-0943 have on Ubuntu 11.10?

CVE-2012-0943 allows local users on Ubuntu 11.10 to delete arbitrary files, which can lead to data loss.

5

Who is responsible for the LightDM issue described in CVE-2012-0943?

The LightDM vulnerability described in CVE-2012-0943 was attributed to Robert Ancell.

Contact

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