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CVE-2011-2777

MediumPublished

samples/powerbtn/powerbtn.sh in acpid (aka acpid2) 2.0.16 and earlier uses the pidof program incorrectly, which allows local users to gain privileges by...

Published: Aug 29, 2012
Updated: Sep 17, 2024
Assigning CNA: mitre
Evidence observed: Dec 10, 2011

Primary CVSS

4.4/ 10Medium

nvd · CVSS 2.0

AV:L/AC:M/Au:N/C:P/I:P/A:P

EPSS probability estimate

0.6%

Low · next 30 days

Percentile: 47.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

samples/powerbtn/powerbtn.sh in acpid (aka acpid2) 2.0.16 and earlier uses the pidof program incorrectly, which allows local users to gain privileges by running a program with the name kded4 and a DBUS_SESSION_BUS_ADDRESS environment variable containing commands.

Sources

Acpid 1:2.0.10-1ubuntu2 (Ubuntu 11.04/11.10) - Boundary Crossing Privilege EscalationExploit
otr · linux · Dec 10, 2011

Responsible use

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