CVE-2016-1714 Information

Description

The (1) fw_cfg_write and (2) fw_cfg_read functions in hw/nvram/fw_cfg.c in QEMU before 2.4 when built with the Firmware Configuration device emulation support allow guest OS users with the CAP_SYS_RAWIO privilege to cause a denial of service (out-of-bounds read or write access and process crash) or possibly execute arbitrary code via an invalid current entry value in a firmware configuration.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Reference

http://rhn.redhat.com/errata/RHSA-2016-0081.html http://rhn.redhat.com/errata/RHSA-2016-0082.html http://rhn.redhat.com/errata/RHSA-2016-0083.html http://rhn.redhat.com/errata/RHSA-2016-0084.html http://rhn.redhat.com/errata/RHSA-2016-0085.html http://rhn.redhat.com/errata/RHSA-2016-0086.html http://rhn.redhat.com/errata/RHSA-2016-0087.html http://rhn.redhat.com/errata/RHSA-2016-0088.html http://www.debian.org/security/2016/dsa-3469 http://www.debian.org/security/2016/dsa-3470 http://www.debian.org/security/2016/dsa-3471 http://www.openwall.com/lists/oss-security/2016/01/11/7 http://www.openwall.com/lists/oss-security/2016/01/12/10 http://www.openwall.com/lists/oss-security/2016/01/12/11 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/80250 http://www.securitytracker.com/id/1034858 https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg00428.html https://security.gentoo.org/glsa/201604-01

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1