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体验盒子[+] Credits: hyp3rlinx
[+] Website: hyp3rlinx.altervista.org
[+] Source:
http://hyp3rlinx.altervista.org/advisories/SMBGRIND-BUFFER-OVERFLOW.txt
Vendor:
=======================
Network Associates Inc.
Product:
===========================================
smbgrind: NetBIOS parallel password grinder
circa 1996-1999
smbgrind.exe is a component of CyberCop Scanner v5.5. It is intended to
remotely crack SMB
usernames and passwords, used to establish a login session to the remote
NetBIOS file server.
Cybercop was discontinued back in 2002.
usage: smbgrind -i <address> [options]
-rRemote NetBIOS name of destination host
-iIP address of destination host
-uName of userlist file (default NTuserlist.txt)
-pName of password list file (default NTpasslist.txt)
-lNumber of simultaneous connections (max: 50 default: 10)
-vProvide verbose output on progress
Vulnerability Type:
===================
Buffer Overflow
CVE Reference:
==============
N/A
Vulnerability Details:
======================
Smbgrind.exe succumbs to buffer overflow when supplied a large number of
bytes (1206) for the -r switch for the remote
NetBios name of destination host. Resulting in memory corruption
overwriting several registers...
GDB dump...
Program received signal SIGSEGV, Segmentation fault.
0x0040c421 in ?? ()
(gdb) info r
eax0x33
ecx0x41414141 1094795585
edx0x41414141 1094795585
ebx0x41414141 1094795585
esp0x241e89c0x241e89c
ebp0x241e8a80x241e8a8
esi0x401408 4199432
edi0x41414141 1094795585
eip0x40c421 0x40c421
eflags 0x10283[ CF SF IF RF ]
cs 0x23 35
ss 0x2b 43
ds 0x2b 43
es 0x2b 43
fs 0x53 83
gs 0x2b 43
(gdb)
smbgrind core dump file...
(C:\smbgrind.exe 1000) exception C0000005 at 40C421
(C:\smbgrind.exe 1000) exception: ax 2 bx 41414141 cx 41414141 dx 41414141
(C:\smbgrind.exe 1000) exception: si 401408 di 41414141 bp 241F39C sp
241F390
(C:\smbgrind.exe 1000) exception is: STATUS_ACCESS_VIOLATION
[+] Disclaimer
Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
the author.
The author is not responsible for any misuse of the information contained
herein and prohibits any malicious use of all security related information
or exploits by the author or elsewhere.
hyp3rlinx
体验盒子
