![]() ![]() This means that the vulnerability isn't really with 7zip at all, but with Microsoft, and there is no type of mitigation until Microsoft patches it.Depends on the threat model, whether you consider your end user trusted or not. So that means there really is no mitigation to this other than, maybe, application blacklisting?Įxpanding on the above, that means it would be far easier for someone to create a malicious dll file that explots the inherent vulnerability in Microsoft's CHM system, and then you have an exploit that doesn't depend on 7zip at all. There is a 32-bit or 64-bit installer available, depending on your needs.Stealth006 said:The mitigation steps don't quite make sense to me, because if someone really wanted to exploit this, they would just have to download the affected 7zip executable, the affected chm file, and the specifically crafted 7z file to any system, and voila. And it can also unpack ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, and MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, and Z.ħ-Zip has AES-256 encryption in 7z and ZIP formats, self-extracting capability for 7z format, integration with Windows Shell, a File Manager, a command-line version, and even features plug-ins. It supports the packing and unpacking 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM. You can also alternate between a single or dual-pane view.ħ-Zip features a high compression ratio in the 7z format with LZMA compression. It also integrates with the Windows Explorer menus, displaying archive files as folders and providing a toolbar with drag-and-drop functions. At the same time, the View menu contains a Folder History, and the Favorites menu allows you to save up to ten folders. For example, the extract button lets you quickly browse or accept the default destination directory for your file. The main toolbar contains its most used features, and several menus allow you to dig deeper. ![]() It has a straightforward and easy-to-navigate interface. ![]() 7-Zip is free, open-source software with open source under the GNU LGPL license. 7-Zip is a file archiver featuring a high compression ratio to extract or create compressed files in multiple formats. ![]()
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