CVE-2012-0943

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine without logging in. Limited direct impact.

Exploit odds

0.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2014-05-22 23:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:38 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.8% in the next 30 days (EPSS).
• Severity: 2.1 LOW (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2014-05-22 23:55 UTC

Last modified

2026-06-16 23:38 UTC

Exploit probability

0.8% · EPSS, next 30 days

Weakness

CWE-264

Record status

Modified

Affected

• 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

Attack profile CVSS 2.0 · 2.1

Attack vector

Local

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2012-0943.md and follow it. Check whether this project is affected by CVE-2012-0943. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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