Multiple vulnerabilities in VMware Horizon, Workstation, Fusion and VMRC



Published: 2020-03-13 | Updated: 2020-04-05
Risk Low
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2019-5543
CVE-2020-3947
CVE-2020-3948
CWE-ID CWE-264
CWE-416
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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VMware Horizon Client
Client/Desktop applications / Software for system administration

VMRC
Client/Desktop applications / Software for system administration

VMware Workstation
Client/Desktop applications / Virtualization software

VMware Fusion
Client/Desktop applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

Updated: 05.04.2020

Added vulnerability #4.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU26072

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2019-5543

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the folder containing configuration files for the VMware USB arbitration service is writable by all users. A local user can run arbitrary commands with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware Horizon Client: 5.0 - 5.2

VMRC: 10.0.0 - 10.0.6

VMware Workstation: 15.0.0 - 15.5.1


CPE2.3 External links

http://www.vmware.com/security/advisories/VMSA-2020-0004.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Use-after-free

EUVDB-ID: #VU26073

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-3947

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in vmnetdhcp. A local attacker can execute arbitrary code on the host from the guest or cause a denial-of-service condition of the vmnetdhcp service running on the host machine.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware Workstation: 15.0.0 - 15.5.1

VMware Fusion: 11.0.0 - 11.5.1


CPE2.3 External links

http://www.vmware.com/security/advisories/VMSA-2020-0004.html
http://www.zerodayinitiative.com/advisories/ZDI-20-298/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

3) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU26074

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-3948

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper file permissions in Cortado Thinprint. A local user with access to a Linux guest VM with VMware Tools installed can gain root privileges on the same guest VM.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware Workstation: 15.0.0 - 15.5.1

VMware Fusion: 11.0.0 - 11.5.1


CPE2.3 External links

http://www.vmware.com/security/advisories/VMSA-2020-0004.html

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

4) Information disclosure

EUVDB-ID: #VU26582

Risk: Medium

CVSSv3.1:

CVE-ID: N/A

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the way VMware Workstation processes OVA and OVF files. A remote attacker can trick the victim to import a specially crafted OVA or OVF file and obtain an NTLM challenge response from the current user.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware Workstation: 15.5.0 - 15.5.1


CPE2.3 External links

http://www.zerodayinitiative.com/advisories/ZDI-20-369/
http://docs.vmware.com/en/VMware-Workstation-Pro/15.5/rn/VMware-Workstation-1552-Pro-Release-Notes.html

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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