National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-6351 Detail

Description

The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.

Source:  MITRE
Description Last Modified:  09/07/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.qemu.org/?p=qemu.git;a=commit;h=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11 Issue Tracking Patch
http://git.qemu.org/?p=qemu.git;a=commit;h=cc96677469388bad3d66479379735cf75db069e3 Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2016/07/25/14 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/26/7 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92119 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-3047-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2 Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-6351
NVD Published Date:
09/07/2016
NVD Last Modified:
09/08/2016