CVE-2016-6351
MEDIUM severity · CVSS 6.7
6.7CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3
- http://www.openwall.com/lists/oss-security/2016/07/25/14Advisory
- http://www.openwall.com/lists/oss-security/2016/07/26/7Advisory
- http://www.securityfocus.com/bid/92119Advisory
- http://www.ubuntu.com/usn/USN-3047-1Advisory
- http://www.ubuntu.com/usn/USN-3047-2Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlAdvisory