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Vulnerability Details : CVE-2016-9921

Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.
Publish Date : 2016-12-23 Last Update Date : 2017-06-30
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 369

- Products Affected By CVE-2016-9921

# Product Type Vendor Product Version Update Edition Language
1 Application Qemu Qemu - Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Qemu Qemu 1

- References For CVE-2016-9921

http://www.securityfocus.com/bid/94803
BID 94803 QEMU Divide By Zero Multiple Denial of Service Vulnerabilities Release Date:2017-03-22
https://security.gentoo.org/glsa/201701-49
GENTOO GLSA-201701-49
http://www.openwall.com/lists/oss-security/2016/12/09/1
MLIST [oss-security] 20161209 Re: CVE request Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy

- Metasploit Modules Related To CVE-2016-9921

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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