Vulnerability Details : CVE-2016-8669
The serial_update_parameters function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving a value of divider greater than baud base.
Vulnerability category: Denial of service
Products affected by CVE-2016-8669
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-8669
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-8669
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
1.5
|
4.0
|
NIST |
CWE ids for CVE-2016-8669
-
The product divides a value by zero.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-8669
-
https://access.redhat.com/errata/RHSA-2017:2392
RHSA-2017:2392 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/201611-11
QEMU: Multiple vulnerabilities (GLSA 201611-11) — Gentoo securityThird Party Advisory
-
http://www.securityfocus.com/bid/93563
QEMU '/hw/char/serial.c' Divide By Zero Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
[SECURITY] [DLA 1497-1] qemu security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/10/15/5
oss-security - Re: CVE request Qemu: char: divide by zero error in serial_update_parametersMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2408
RHSA-2017:2408 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3592fe0c919cf27a81d8e9f9b4f269553418bb01
git.qemu.org Git
-
http://www.openwall.com/lists/oss-security/2016/10/14/9
oss-security - CVE request Qemu: char: divide by zero error in serial_update_parametersMailing List;Patch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
openSUSE-SU-2016:3237-1: moderate: Security update for qemuMailing List;Third Party Advisory
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