Vulnerability Report

CVE-2016-9603

RCE

Title: Citrix Xenserver RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2016-9603.

CWE Category CWE-119
Published Date Jul 27, 2018
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.5 CVSS v3.0
Exploit Probability (EPSS)
4.45%

Vulnerability Summary

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.

Impacted Vendors

O
openstack 1
X
xen 1
Q
qemu 1
C
citrix 1
R
redhat 1

Reference Links

http://www.securityfocus.com/bid/96893 http://www.securitytracker.com/id/1038023 https://access.redhat.com/errata/RHSA-2017:0980 https://access.redhat.com/errata/RHSA-2017:0981 https://access.redhat.com/errata/RHSA-2017:0982 https://access.redhat.com/errata/RHSA-2017:0983 https://access.redhat.com/errata/RHSA-2017:0984 https://access.redhat.com/errata/RHSA-2017:0985 https://access.redhat.com/errata/RHSA-2017:0987 https://access.redhat.com/errata/RHSA-2017:0988 https://access.redhat.com/errata/RHSA-2017:1205 https://access.redhat.com/errata/RHSA-2017:1206 https://access.redhat.com/errata/RHSA-2017:1441 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9603 https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://security.gentoo.org/glsa/201706-03 https://support.citrix.com/article/CTX221578 http://www.securityfocus.com/bid/96893 http://www.securitytracker.com/id/1038023 https://access.redhat.com/errata/RHSA-2017:0980 https://access.redhat.com/errata/RHSA-2017:0981 https://access.redhat.com/errata/RHSA-2017:0982 https://access.redhat.com/errata/RHSA-2017:0983 https://access.redhat.com/errata/RHSA-2017:0984 https://access.redhat.com/errata/RHSA-2017:0985 https://access.redhat.com/errata/RHSA-2017:0987 https://access.redhat.com/errata/RHSA-2017:0988 https://access.redhat.com/errata/RHSA-2017:1205 https://access.redhat.com/errata/RHSA-2017:1206 https://access.redhat.com/errata/RHSA-2017:1441 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9603 https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://security.gentoo.org/glsa/201706-03 https://support.citrix.com/article/CTX221578
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
ADJACENT_NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
CVSS v3.0
Source Entity [email protected]
Severity CRITICAL
9.9
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
9.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-9603 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector ADJACENT_NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

Affected Stack

No specific products linked.