CVE-2016-7170
Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 10 Dec 2016, 00:00
Last modified:06 Aug 2024, 01:50
Vulnerability Summary
Overall Risk (default)
low
18/100 CVSS Score
4.4 MEDIUM
v3.1 (nvd)
EPSS Score
0.07% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
10 Dec 2016, 00:00
Published
Vulnerability first disclosed
06 Aug 2024, 01:50
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.07%• Percentile: 23%
Techniques & Countermeasures
- CWE-129•Improper Validation of Array Index
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.
Affected Systems
- debian•debian_linux
8.0
- opensuse•leap
42.2
- qemu•qemu
≤ 2.7.1
References (7)
- http://www.securityfocus.com/bid/92904
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=167d97a3def77ee2dbf6e908b0ecbfe2103977db
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg01764.html
- http://www.openwall.com/lists/oss-security/2016/09/09/7
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- http://www.openwall.com/lists/oss-security/2016/09/09/4