CVE-2021-32840
HIGH7.3EPSS 1.5%Path Traversal in SharpZipLib
Published: 2/1/2022Modified: 2/19/2024
Description
SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.
Affected packages (1)
- NuGet/SharpZipLibfrom 0, < 1.3.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-32840
- ADVISORYhttps://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib
- PATCHhttps://github.com/icsharpcode/SharpZipLib
- WEBhttps://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc
- WEBhttps://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3