Security readout for executives and security teams
LightDM before 1.1.1 had a local file disclosure flaw. A user already logged into, or otherwise able to act locally on, a system could abuse a symlink involving ~/.dmrc so LightDM reads files they should not access. The issue is not described as remote code execution. Exposure is most likely on Linux desktop or server systems using LightDM versions before 1.1.1. The provided data does not identify specific distributions beyond the Ubuntu advisory reference, so validate against local package metadata and vendor backports. Treat this as a moderate local information-disclosure issue. It is not presented as remotely exploitable, but it can expose sensitive files on shared or already-compromised systems. Remediate through normal security patching unless LightDM is used on high-risk multi-user assets. Mitigation focus: Upgrade LightDM to 1.1.1 or a vendor package containing the fix.; Apply the relevant Ubuntu security update if running affected Ubuntu packages.; Check current vendor guidance for supported backported fixes..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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CVE-2011-3153 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.launchpad.net/ubuntu/%2Bsource/lightdm/%2Bbug/883865CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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