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    CVE-2021-32840

    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.

    Published:Jan 26, 2022
    Last Modified:Apr 22, 2025
    EPS:Jan 26, 2022
    EPSS Score:0.01652
    CVSS Score:7.3

    Affected Products

    Vendor
    Sharpziplib Project
    Product
    Sharpziplib

    Exploits

    https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High