VIR Vulnerability Intelligence Relay

CVE-2011-2777

medium
Published 2012-08-29 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.4

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-18228 local linux
otr · 2011-12-10

Acpid 1:2.0.10-1ubuntu2 (Ubuntu 11.04/11.10) - Boundary Crossing Privilege Escalation

Source code queued for fetch — refresh in a moment.

OS impact
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1:2.0.14-1
sid Fixed 1:2.0.14-1
forky Fixed 1:2.0.14-1
bullseye Fixed 1:2.0.14-1
bookworm Fixed 1:2.0.14-1

Application impact
VendorProductVersionsFixed
tedfelixacpid2{"endIncluding":"2.0.16"}
tedfelixacpid22.0.0
tedfelixacpid22.0.1
tedfelixacpid22.0.2
tedfelixacpid22.0.3
tedfelixacpid22.0.4
tedfelixacpid22.0.5
tedfelixacpid22.0.6
tedfelixacpid22.0.7
tedfelixacpid22.0.8
tedfelixacpid22.0.9
tedfelixacpid22.0.10
tedfelixacpid22.0.11
tedfelixacpid22.0.12
tedfelixacpid22.0.13
tedfelixacpid22.0.14
tedfelixacpid22.0.15

References

CWEs

CWE-264

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.