Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : acpid vulnerabilities (USN-1296-1)

Ubuntu Security Notice (C) 2011-2016 Canonical, Inc. / NASL script (C) 2011-2016 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Oliver-Tobias Ripka discovered that an ACPI script incorrectly handled
power button events. A local attacker could use this to execute
arbitrary code, and possibly escalate privileges. (CVE-2011-2777)

Helmut Grohne and Michael Biebl discovered that ACPI scripts were
executed with a permissive file mode creation mask (umask). A local
attacker could read files and modify directories created by ACPI
scripts that did not set a strict umask. (CVE-2011-4578).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected acpid package.

Risk factor :

Medium / CVSS Base Score : 4.6
CVSS Temporal Score : 3.8
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 57060 ()

Bugtraq ID: 50945

CVE ID: CVE-2011-2777

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