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Vulnerability Details : CVE-2016-9603

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
Publish Date : 2018-07-27 Last Update Date : 2021-08-04
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s) Execute CodeOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:0987: qemu-kvm security update (Important) oval:com.redhat.rhsa:def:20170987 unix
RHSA-2017:1206: qemu-kvm security update (Important) oval:com.redhat.rhsa:def:20171206 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-9603

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix Xenserver 6.0.2 * * * Version Details Vulnerabilities
2 Application Citrix Xenserver 6.2.0 SP1 * * Version Details Vulnerabilities
3 Application Citrix Xenserver 6.5 SP1 * * Version Details Vulnerabilities
4 Application Citrix Xenserver 7.0 * * * Version Details Vulnerabilities
5 Application Citrix Xenserver 7.1 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
7 Application Qemu Qemu * * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
9 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server Aus 7.3 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server Aus 7.4 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Eus 7.3 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Eus 7.4 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Eus 7.5 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities
19 Application Redhat Openstack 5.0 * * * Version Details Vulnerabilities
20 Application Redhat Openstack 6.0 * * * Version Details Vulnerabilities
21 Application Redhat Openstack 7.0 * * * Version Details Vulnerabilities
22 Application Redhat Openstack 8 * * * Version Details Vulnerabilities
23 Application Redhat Openstack 9 * * * Version Details Vulnerabilities
24 Application Redhat Openstack 10 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix Xenserver 5
Debian Debian Linux 1
Qemu Qemu 1
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Server Aus 2
Redhat Enterprise Linux Server Eus 3
Redhat Enterprise Linux Workstation 2
Redhat Openstack 6

- References For CVE-2016-9603
GENTOO GLSA-201706-03
MLIST [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update
BID 96893 QEMU CVE-2016-9603 Heap Buffer Overflow Vulnerability Release Date:2017-07-17
SECTRACK 1038023
REDHAT RHSA-2017:0980
REDHAT RHSA-2017:0981
REDHAT RHSA-2017:0982
REDHAT RHSA-2017:0983
REDHAT RHSA-2017:0984
REDHAT RHSA-2017:0985
REDHAT RHSA-2017:0987
REDHAT RHSA-2017:0988
REDHAT RHSA-2017:1206
MLIST [debian-lts-announce] 20180206 [SECURITY] [DLA 1270-1] xen security update

- Metasploit Modules Related To CVE-2016-9603

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

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