Same name (tut_tr.chm / the file according to which language you are using.) is placed in it.ĥ - When the victim opens Internet Download Manager and clicks on the "Tutorials" button, the download will start and our malicious ".chm" file will run automatically when it's finished.ĭevelopers should stop using insecure HTTP in their update and download modules.
You can read the article at "" for that.Ģ - A MITM attack is made against the target using Ettercap or Bettercap.ģ - Let's redirect the domains "" and "*." to our attacker machine with DNS spoofing.Ĥ - A web server is run on the attacking machine and the languages directory is created and the malicious ".chm" file with the The attacker does not need to have administrator privileges!ġ - The attacker prepares a malicious CHM file. The victim using the computer must have a user account with administrative privileges on the system. The attacker and the victim must be on the same local network. Since we preferred to use Turkish IDM, our target address in the MITM attack was "". The attacker can send fake updates as if the victim has a new update to the system.
It also uses HTTP for checking and downloading updates by IDM. This allows the attacker to execute code remotely. IDM runs ".chm" files automatically after downloading. Replaces ".chm" help files with malicious ".chm" files. An attacker on the local network can spoof traffic with a MITM attack and This download isĭone over HTTP, which is an insecure protocol. ".chm" prepared in the language used are downloaded from the internet and run, and displayed to users. Some help files are missing in non-English versions of Internet Download Manager. Change Mirror Download # Vulnerability Title: Internet Download Manager v6.41 Build 3 "Remote Code Execution via MITM" Vulnerability
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