Vulnerability Report

CVE-2017-2620

RCE

Title: Citrix Xenserver RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2017-2620.

CWE Category CWE-125
Published Date Jul 27, 2018
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.5 CVSS v3.0
Exploit Probability (EPSS)
3.56%

Vulnerability Summary

CVE-2017-2620: Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Impacted Vendors

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

Reference Links

http://rhn.redhat.com/errata/RHSA-2017-0328.html http://rhn.redhat.com/errata/RHSA-2017-0329.html http://rhn.redhat.com/errata/RHSA-2017-0330.html http://rhn.redhat.com/errata/RHSA-2017-0331.html http://rhn.redhat.com/errata/RHSA-2017-0332.html http://rhn.redhat.com/errata/RHSA-2017-0333.html http://rhn.redhat.com/errata/RHSA-2017-0334.html http://rhn.redhat.com/errata/RHSA-2017-0350.html http://rhn.redhat.com/errata/RHSA-2017-0351.html http://rhn.redhat.com/errata/RHSA-2017-0352.html http://rhn.redhat.com/errata/RHSA-2017-0396.html http://rhn.redhat.com/errata/RHSA-2017-0454.html http://www.openwall.com/lists/oss-security/2017/02/21/1 http://www.securityfocus.com/bid/96378 http://www.securitytracker.com/id/1037870 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2620 https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04700.html https://security.gentoo.org/glsa/201703-07 https://security.gentoo.org/glsa/201704-01 https://support.citrix.com/article/CTX220771 https://xenbits.xen.org/xsa/advisory-209.html http://rhn.redhat.com/errata/RHSA-2017-0328.html http://rhn.redhat.com/errata/RHSA-2017-0329.html http://rhn.redhat.com/errata/RHSA-2017-0330.html http://rhn.redhat.com/errata/RHSA-2017-0331.html http://rhn.redhat.com/errata/RHSA-2017-0332.html http://rhn.redhat.com/errata/RHSA-2017-0333.html http://rhn.redhat.com/errata/RHSA-2017-0334.html http://rhn.redhat.com/errata/RHSA-2017-0350.html http://rhn.redhat.com/errata/RHSA-2017-0351.html http://rhn.redhat.com/errata/RHSA-2017-0352.html http://rhn.redhat.com/errata/RHSA-2017-0396.html http://rhn.redhat.com/errata/RHSA-2017-0454.html http://www.openwall.com/lists/oss-security/2017/02/21/1 http://www.securityfocus.com/bid/96378 http://www.securitytracker.com/id/1037870 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2620 https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04700.html https://security.gentoo.org/glsa/201703-07 https://security.gentoo.org/glsa/201704-01 https://support.citrix.com/article/CTX220771 https://xenbits.xen.org/xsa/advisory-209.html
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-2017-2620 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.