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Vulnerability Details : CVE-2016-9922

The cirrus_do_copy function in hw/display/cirrus_vga.c in QEMU (aka Quick Emulator), when cirrus graphics mode is VGA, allows local guest OS privileged users to cause a denial of service (divide-by-zero error and QEMU process crash) via vectors involving blit pitch values.
Publish Date : 2017-03-27 Last Update Date : 2018-09-07
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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) Denial Of Service
CWE ID 369

- Products Affected By CVE-2016-9922

# 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-2016-9922

http://git.qemu-project.org/?p=qemu.git;a=commit;h=4299b90e9ba9ce5ca9024572804ba751aa1a7e70 CONFIRM
https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg00442.html
MLIST [qemu-devel] 20161205 [PULL 4/4] display: cirrus: check vga bits per pixel(bpp) value
http://www.securityfocus.com/bid/94803
BID 94803 QEMU Divide By Zero Multiple Denial of Service Vulnerabilities Release Date:2017-03-22
https://access.redhat.com/errata/RHSA-2017:2408
REDHAT RHSA-2017:2408
https://bugzilla.redhat.com/show_bug.cgi?id=1334398 CONFIRM
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
MLIST [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update
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
https://access.redhat.com/errata/RHSA-2017:2392
REDHAT RHSA-2017:2392

- Metasploit Modules Related To CVE-2016-9922

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


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