GitHub Advisoryadvisory · NuGet

GHSA-m22m-h4rf-pwq3 Path Traversal in SharpZipLib

HIGH Published 2022-02-01 Modified 2022-02-08 Official page ↗
Aliases
CVE-2021-32840
Ecosystem
NuGet
Packages
SharpZipLib
Severity
High
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Weaknesses
CWE-22
Reviewed
2022-02-01

Affected packages

• NuGet SharpZipLib: < 1.3.3 → fixed in 1.3.3

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.

Related

Alias · CVE (1)

  • CVE-2021-32840 SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. vulnerability

Weakness · CWE (1)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References