7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this product is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the handling of symbolic links in ZIP files. Crafted data in a ZIP file can cause the process to traverse to unintended directories. An attacker can leverage this vulnerability to execute code in the context of a service account. Was ZDI-CAN-26753.
Chocolatey7-Zip is a file archiver with a high compression ratio.
## Features
- High compression ratio in [7z format](http://www.7-zip.org/7z.html) with **LZMA** and **LZMA2** compression
- Supported formats:
- Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
- Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.
- For ZIP and GZIP formats, **7-Zip** provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip
- Strong AES-256 encryption in 7z and ZIP formats
- Self-extracting capability for 7z format
- Integration with Windows Shell
- Powerful File Manager
- Powerful command line version
- Plugin for FAR Manager
- Localizations for 87 languages
## Notes
- The installer for 7-Zip is known to close the Explorer process. This means you may lose current work. If it doesn't automatically restart explorer, type `explorer` on the command shell to restart it.
- **If the package is out of date please check [Version History](#versionhistory) for the latest submitted version. If you have a question, please ask it in [Chocolatey Community Package Discussions](https://github.com/chocolatey-community/chocolatey-packages/discussions) or raise an issue on the [Chocolatey Community Packages Repository](https://github.com/chocolatey-community/chocolatey-packages/issues) if you have problems with the package. Disqus comments will generally not be responded to.**