Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-4941

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
20/12/2017
Last modified:
20/04/2025

Description

VMware ESXi (6.0 before ESXi600-201711101-SG, 5.5 ESXi550-201709101-SG), Workstation (12.x before 12.5.8), and Fusion (8.x before 8.5.9) contain a vulnerability that could allow an authenticated VNC session to cause a stack overflow via a specific set of VNC packets. Successful exploitation of this issue could result in remote code execution in a virtual machine via the authenticated VNC session. Note: In order for exploitation to be possible in ESXi, VNC must be manually enabled in a virtual machine's .vmx configuration file. In addition, ESXi must be configured to allow VNC traffic through the built-in firewall.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:* 8.0.0 (including) 8.5.9 (excluding)
cpe:2.3:o:apple:mac_os_x:-:*:*:*:*:*:*:*
cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:* 12.0.0 (including) 12.5.8 (excluding)
cpe:2.3:o:vmware:esxi:5.5:-:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:5.5:550-20170901001s:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:5.5:550-20170904001:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:-:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:1:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:1a:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:1b:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:2:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:3:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:3a:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:600-201504401:*:*:*:*:*:*
cpe:2.3:o:vmware:esxi:6.0:600-201505401:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools