Multiple vulnerabilities in VMware Workstation and Fusion

Published: 2018-05-23

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-6962 CVE-2018-6963
CWE-ID	CWE-264 CWE-476
Exploitation vector	Local network
Public exploit	N/A
Vulnerable software	VMware Fusion Client/Desktop applications / Virtualization software VMware Workstation Client/Desktop applications / Virtualization software
Vendor	VMware, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Privilege escalation

EUVDB-ID: #VU12990

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-6962

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The vulnerability exists due to a signature bypass flaw. A local attacker can gain elevated privileges.

Mitigation

Update to version 10.1.2.

Vulnerable software versions

VMware Fusion: 10.0 - 10.1.1

CPE2.3

External links

https://www.vmware.com/security/advisories/VMSA-2018-0013.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Null pointer dereference

EUVDB-ID: #VU12991

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-6963

CWE-ID: CWE-476 - NULL Pointer Dereference