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Mandriva Linux Security Advisory 2012-137

Mandriva Linux Security Advisory 2012-137
Posted Aug 17, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-137 - 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. Helmut Grohne and Michael Biebl discovered that ACPI scripts were executed with a permissive file mode creation mask. A local attacker could read files and modify directories created by ACPI scripts that did not set a strict umask. The updated packages have been patched to correct these issues.

tags | advisory, arbitrary, local
systems | linux, mandriva
advisories | CVE-2011-2777, CVE-2011-4578
SHA-256 | bf64566f3857d8378c5f530d05dddf5ae935df9d405244ca913d69759b5cc8fb

Mandriva Linux Security Advisory 2012-137

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

_______________________________________________________________________

Mandriva Linux Security Advisory MDVSA-2012:137
http://www.mandriva.com/security/
_______________________________________________________________________

Package : acpid
Date : August 17, 2012
Affected: 2011.
_______________________________________________________________________

Problem Description:

Multiple vulnerabilities has been discovered and corrected in acpid:

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).

The updated packages have been patched to correct these issues.
_______________________________________________________________________

References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2777
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4578
_______________________________________________________________________

Updated Packages:

Mandriva Linux 2011:
23d5343c86fea6a72a789a3f29e4f733 2011/i586/acpid-2.0.10-1.1-mdv2011.0.i586.rpm
3a78db800ec8c3063d834f618a39357e 2011/SRPMS/acpid-2.0.10-1.1.src.rpm

Mandriva Linux 2011/X86_64:
a8e6080d229eae2c7ce068a240f902c6 2011/x86_64/acpid-2.0.10-1.1-mdv2011.0.x86_64.rpm
3a78db800ec8c3063d834f618a39357e 2011/SRPMS/acpid-2.0.10-1.1.src.rpm
_______________________________________________________________________

To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/security/advisories

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
_______________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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