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acpid2: Privilege escalation

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201310-20 / acpid
Release Date October 28, 2013
Latest Revision October 28, 2013: 1
Impact high
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
sys-power/acpid < 2.0.17 >= 2.0.17 All supported architectures

Related bugreports: #434522

Synopsis

A vulnerability in acpid2 may allow a local attacker to gain escalated privileges.

2.  Impact Information

Background

acpid2 is a daemon for Advanced Configuration and Power Interface.

Description

acpid2 does not properly use the pidof program in powerbtn.sh.

Impact

A local attacker could gain escalated privileges.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All acpid2 users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-power/acpid-2.0.17"

4.  References



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Page updated October 28, 2013

Summary: This is a Gentoo Linux Security Advisory

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