VMware Workstation/Horizon Client Cortado Thinprint out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in VMware Workstation and Horizon Client. Affected by this vulnerability is an unknown functionality of the component Cortado Thinprint. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2020-3986. The attack requires a local approach. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in VMware Workstation and Horizon Client (Virtualization Software) (affected version unknown). This affects an unknown functionality of the component Cortado Thinprint. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed 09/16/2020 (Website). The advisory is shared at vmware.com. This vulnerability is uniquely identified as CVE-2020-3986 since 12/30/2019. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The entries VDB-161336, VDB-161338, VDB-161339 and VDB-161340 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/30/2019 🔍
09/16/2020 +261 days 🔍
09/17/2020 +1 days 🔍
09/17/2020 +0 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Status: Not defined

CVE: CVE-2020-3986 (🔍)
GCVE (CVE): GCVE-0-2020-3986
GCVE (VulDB): GCVE-100-161337
scip Labs: https://www.scip.ch/en/?labs.20060413
See also: 🔍

Entryinfo

Created: 09/17/2020 06:48
Updated: 09/17/2020 06:53
Changes: 09/17/2020 06:48 (39), 09/17/2020 06:53 (18)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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