CVE-2011-2777

Publication date 8 December 2011

Last updated 24 July 2024

Ubuntu priority

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
acpid	11.10 oneiric	Fixed 1:2.0.10-1ubuntu2.3
	11.04 natty	Fixed 1:2.0.7-1ubuntu2.4
	10.10 maverick	Fixed 1.0.10-5ubuntu4.4
	10.04 LTS lucid	Fixed 1.0.10-5ubuntu2.5
	8.04 LTS hardy	Ignored end of life

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
acpid	Vendor: https://bugs.launchpad.net/ubuntu/+source/acpid/+bug/893821/+attachment/2624920/+files/893821-powerbtn.patch

References

Related Ubuntu Security Notices (USN)

USN-1296-1
acpid vulnerabilities
8 December 2011

Other references

https://www.cve.org/CVERecord?id=CVE-2011-2777