VMware Workstation 15.5.0 build-14665864 crashe… |VMware Communities

There’s a 100% reproducible bug in VMware Workstation 15.5.0 build-14665864.  I’ve only tested on a Windows host.

  1. Install VMware Workstation 15.5.0 build-14665864 on a Windows host.
  2. Install 7-zip on your host.
  3. Drag a file from a 7-zip-opened archive into a VM (any OS, as long as tools are installed)
  4. Enjoy your Stack Buffer Overrun (/GS Exception)


0:000> !exploitable -v




Executing Processor Architecture is x64

Debuggee is in User Mode

Debuggee is a live user mode debugging session on the local machine

Event Type: Exception

Exception Faulting Address: 0x7ffae6bec4df

Second Chance Exception Type: STATUS_STACK_BUFFER_OVERRUN (0xC0000409)


Exception Hash (Major/Minor): 0xef80f209.0x6a72959b


Hash Usage : Stack Trace:

Major+Minor : ntdll!LdrpICallHandler+0xf

Excluded    : ntdll!RtlpExecuteHandlerForException+0xf

Excluded    : ntdll!RtlDispatchException+0x219

Major+Minor : ntdll!KiUserExceptionDispatch+0x2e

Major+Minor : ntdll!LdrpDispatchUserCallTarget+0xe

Major+Minor : vmware_vmx+0x9618c

Major+Minor : vmware_vmx+0x572d46

Minor       : vmware_vmx+0x57a352

Minor       : vmware_vmx+0x9677f

Minor       : vmware_vmx+0x96a97

Minor       : vmware_vmx+0x58b21

Minor       : vmware_vmx+0x235c50

Minor       : vmware_vmx+0x1683a

Minor       : vmware_vmx+0x16c45

Minor       : vmware_vmx+0x165f8

Minor       : vmware_vmx+0x15639

Minor       : vmware_vmx+0x499c2b

Minor       : vmware_vmx+0xe626

Minor       : vmware_vmx+0xd310

Minor       : vmware_vmx+0xdcfb

Minor       : vmware_vmx+0xb6c2

Minor       : KERNEL32!BaseThreadInitThunk+0x14

Minor       : ntdll!RtlUserThreadStart+0x21

Instruction Address: 0x00007ffae6bec4df


Description: Stack Buffer Overrun (/GS Exception)

Short Description: GSViolation

Exploitability Classification: EXPLOITABLE

Recommended Bug Title: Exploitable – Stack Buffer Overrun (/GS Exception) starting at ntdll!LdrpICallHandler+0x000000000000000f (Hash=0xef80f209.0x6a72959b)


An overrun of a protected stack buffer has been detected. This is considered exploitable, and must be fixed.

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