4.4med

CVE-2016-7170

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…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
4.4
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 35%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.40% probability of exploitation in the next 30 days, higher than 35% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.14.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD2.02.1AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-129 Improper Validation of Array Index

References

  • securityfocus.com /bid/92904 · vdb-entry, x_refsource_BID, x_transferred
  • git.qemu.org /?p=qemu.git%3Ba=commit%3Bh=167d97a3def77ee2dbf6e908b0ecbfe2103977db · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-12/msg00140.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2016-09/msg01764.html · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/09/09/7 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00038.html · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/09/09/4 · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.