Denial of service in VMware Workstation and Fusion



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-6957
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 VMware Workstation
Client/Desktop applications / Virtualization software

VMware Fusion
Client/Desktop applications / Virtualization software

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Denial of service

EUVDB-ID: #VU11121

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/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-2018-6957

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists on the VNC manually enabled systems due to unspecified error. A remote attacker can open a large number of VNC sessions to cause unspecified denial of service conditions.

Mitigation

Update VMware Fusion to version 10.1.1.
Update VMware Workstation to version 14.1.1.

Vulnerable software versions

VMware Workstation: 14.0 - 14.1

VMware Fusion: 10.0 - 10.1.0

CPE2.3 External links

https://www.vmware.com/security/advisories/VMSA-2018-0008.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

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

Is there known malware, which exploits this vulnerability?

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



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