Multiple vulnerabilities VMware Fusion



Published: 2020-10-20
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-3982
CVE-2020-3981
CWE-ID CWE-787
CWE-125
Exploitation vector Local network
Public exploit N/A
Vulnerable software
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VMware Fusion
Client/Desktop applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU47749

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-3982

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error caused by a time-of-check time-of-use issue in ACPI device within the implementation of the BDOOR_CMD_PATCH_ACPI_TABLES command. A remote administrator on the guest OS can run a specially crafted program to trigger a heap-based buffer overflow and crash the system or execute arbitrary code on the hypervisor.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VMware Fusion: 11.0.0 - 11.5.5


CPE2.3 External links

http://www.vmware.com/security/advisories/VMSA-2020-0023.html

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

2) Out-of-bounds read

EUVDB-ID: #VU47748

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-3981

CWE-ID: CWE-125 - Out-of-bounds Read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition due to a time-of-check time-of-use issue in ACPI device within the implementation of the BDOOR_CMD_PATCH_ACPI_TABLES command. A remote administrator on a guest OS can run a specially crafted program to read memory from the vmx process.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VMware Fusion: 11.0.0 - 11.5.5


CPE2.3 External links

http://www.vmware.com/security/advisories/VMSA-2020-0023.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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