Re: rundll32.exe buffer overflow

2003-07-08 Thread Curt Wilson
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 FYI This does not appear to be exploitable on an en Windows 2000 SP3 + all current hotfixes (have not loaded SP4 yet however). advpack32.dll does not exist on my win2k pro system, however advpack.dll does and this was attempted, using 499 chars + mor

Re: rundll32.exe buffer overflow

2003-07-08 Thread wirepair
interesting, in win2ksp4 i can't get it to overflow... with regular characters. if i use a lot of %'s it appears to overwrite eip. but if i tack on any character at the end it won't overflow. C:\WINNT\system32>rundll32.exe rundll32.exe, AAA

rundll32.exe buffer overflow

2003-07-07 Thread Rick
Hi, There is buffer overflow in rundll32.exe when it is passed big string as routine name for a module. I've tested this on WindowsXP SP1. But other version of windows might be vuln. rundll32.exe advpack32.dll,<'A'x499> advpack32.dll is just example. Any executable/dll will work.