Tóm tắt nhanh
- CVE-2021-32841 là lỗ hổng mức TRUNG BÌNH (CVSS 5.3) ảnh hưởng SharpZipLib, sharpziplib (sharpziplib project).
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 1.1%, cao hơn 65.2% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 1.3.3 hoặc mới hơn.
| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|
| SharpZipLib NuGet | ≥ 1.3.0, < 1.3.3
| 1.3.3
|
| sharpziplib | ≥ 1.3.0, < 1.3.3
| 1.3.3
|
Mô tả
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Starting version 1.3.0 and prior to version 1.3.3, a check was added if the destination file is under destination directory. However, it is not enforced that destDir ends with slash. If the destDir is not slash terminated like /home/user/dir it is possible to create a file with a name thats begins with the destination directory, i.e. /home/user/dir.sh. Because of the file name and destination directory constraints, the arbitrary file creation impact is limited and depends on the use case. Version 1.3.3 contains a patch for this vulnerability.
Mô tả của NVD
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Starting version 1.3.0 and prior to version 1.3.3, a check was added if the destination file is under destination directory. However, it is not enforced that `destDir` ends with slash. If the `destDir` is not slash terminated like `/home/user/dir` it is possible to create a file with a name thats begins with the destination directory, i.e. `/home/user/dir.sh`. Because of the file name and destination directory constraints, the arbitrary file creation impact is limited and depends on the use case. Version 1.3.3 contains a patch for this vulnerability.
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