White hat hackers earned more than $1 million for zero-day exploits disclosed at the hacking contest that took place on November 16-17 in Chengdu.
Tang received $100,000 for the successful exploitation of the flaw, the virtualization giant has quickly fixed the critical Workstation and Fusion vulnerability.
“VMware Workstation and Fusion contain an integer overflow vulnerability in the virtual network devices. This issue may allow a guest to execute code on the host.” states the security advisory published by VMWare.
“VMware would like to thank Tianwen Tang of Qihoo 360Vulcan Team working with the Tianfu Cup 2018 International Pwn Contest for reporting this issue to us.”
The flaw is an integer overflow bug affecting virtual network devices, it could be exploited to execute code on the Workstation host from the guest.
The flaw affects Workstation 14.x and 15.x on any platform, and Fusion 10.x and 11.x on macOS.
“We wanted to post a quick acknowledgement that VMware has representatives in attendance at the Tianfu Cup PWN Contest in Chengdu, China to review any vulnerabilities that may be demonstrated during the contest.” added VMWware.
“We would like to thank the organisers for inviting us to attend. Stay tuned for further updates.”