Threat Investigation
Request a demo

CVE-2021-32840

High

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.

SeverityHigh
CVSS7.3
Exploit probability—
ProductSharpziplib
PublishedJan 26, 2022
First seenJan 26, 2022
Weakness typeCWE-22Path traversal

How to fix

Update
  • sharpziplib_project sharpziplib1.3.3 or later
  • SharpZipLib1.3.3 or later

Affected products

ProductAffected versionsFixed in
sharpziplib_project sharpziplibv < 1.3.31.3.3
SharpZipLibNuGetv < 1.3.31.3.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.