CVE-2016-7170

low-risk
Published 2016-12-10

The vmsvga_fifo_run function in hw/display/vmware_vga.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to cursor.mask[] and cursor.image[] array sizes when processing a DEFINE_CURSOR svga command.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
LOCAL / LOW complexity

Affected Products (3)

Affected Vendors

Qemu Opensuse Debian

References (14)

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=167d97a3def77ee2dbf6e908b0ecbfe21...
Mailing List http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Mailing List http://www.openwall.com/lists/oss-security/2016/09/09/4
Mailing List http://www.openwall.com/lists/oss-security/2016/09/09/7
Third Party Advisory http://www.securityfocus.com/bid/92904
Mailing List https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01764.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=167d97a3def77ee2dbf6e908b0ecbfe21...
Mailing List http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
Mailing List http://www.openwall.com/lists/oss-security/2016/09/09/4
Mailing List http://www.openwall.com/lists/oss-security/2016/09/09/7
Third Party Advisory http://www.securityfocus.com/bid/92904
Mailing List https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Patch https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01764.html
24
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 9/34 · Low