Vulnerability Name:

CVE-2020-3986 (CCN-188292)

Assigned:2019-12-30
Published:2020-09-14
Updated:2020-09-28
Summary:VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an out-of-bounds read vulnerability in Cortado ThinPrint component (EMF Parser). A malicious actor with normal access to a virtual machine may be able to exploit these issues to create a partial denial-of-service condition or to leak memory from TPView process running on the system where Workstation or Horizon Client for Windows is installed.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): Low
5.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L)
4.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:3.6 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
3.2 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-3986

Source: XF
Type: UNKNOWN
vmware-cve20203986-info-disc(188292)

Source: CCN
Type: VMware Security Advisory VMSA-2020-0020
VMware Workstation, Fusion and Horizon Client updates address multiple security vulnerabilities

Source: MISC
Type: Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2020-0020.html

Source: CCN
Type: ZDI-20-1179
VMware Workstation ThinPrint EMF Out-Of-Bounds Read Information Disclosure Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:horizon_client:*:*:*:*:*:windows:*:* (Version >= 5.0.0 and < 5.4.4)
  • OR cpe:/a:vmware:workstation_player:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 16.0.0)
  • OR cpe:/a:vmware:workstation_pro:*:*:*:*:*:*:*:* (Version >= 15.0.0 and < 16.0.0)

    • Configuration CCN 1:
  • cpe:/a:vmware:workstation:15.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    vmware horizon client *
    vmware workstation player *
    vmware workstation pro *
    vmware workstation 15.0