HIGH7.3

GHSA-m22m-h4rf-pwq3

Path Traversal in SharpZipLib

Quick fix

GHSA-m22m-h4rf-pwq3 — SharpZipLib: upgrade to the fixed version with the command below.

dotnet add package SharpZipLib --version 1.3.3

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

NuGet/SharpZipLib

Introduced in: 0Fixed in: 1.3.3

Fixdotnet add package SharpZipLib --version 1.3.3

References

https://nvd.nist.gov/vuln/detail/CVE-2021-32840[ADVISORY]
https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc[WEB]
https://github.com/icsharpcode/SharpZipLib[PACKAGE]
https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3[WEB]
https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib[ADVISORY]