CVE-2021-32840 Vulnerability Details

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CVE-2021-32840 Metadata Quick Info

CVE Published: 26/01/2022 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: GitHub_M | Vendor: icsharpcode | Product: sharpziplib
Status : PUBLISHED

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CVE-2021-32840 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.

Metrics

CVSS Version: 3.1 | Base Score: 7.3 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

l➤ Exploitability Metrics:
    Attack Vector (AV)* LOCAL
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* HIGH
    Availability Impact (A)* LOW

Weakness Enumeration (CWE)

CWE-ID: CWE-22
CWE Name: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ( Path Traversal )
Source: icsharpcode

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description: