#VU15786 Stack-based buffer overflow in VMware, Inc products - CVE-2018-6981
Vulnerability identifier: #VU15786
Vulnerability 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-2018-6981
CWE-ID:
CWE-121
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
VMware ESXi
Operating systems & Components /
Operating system
VMware Workstation
Client/Desktop applications /
Virtualization software
VMware Fusion
Client/Desktop applications /
Virtualization software
Vendor: VMware, Inc
Description
The vulnerability allows an adjacent attacker to execute arbitrary code on the target system.
The weakness exists due to uninitialized stack memory usage in the vmxnet3 virtual network adapter. A remote attacker can trigger memory corruption if vmxnet3 is enabled and execute arbitrary code with elevated privileges.
Mitigation
Install update from vendor's website.
Vulnerable software versions
VMware ESXi: 6.0 - 6.7
VMware Workstation: 14.0 - 15.0.0
VMware Fusion: 10.0 - 11.0.0
External links
https://www.vmware.com/security/advisories/VMSA-2018-0027.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
