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CVE-2021-32840

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CVE-2021-32840

Published: Jan 26, 2022

Modified: Apr 22, 2025

PUBLISHED

CVSS v3.1

7.3

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.

VendorProductVersions

icsharpcode

sharpziplib

affected
1.3.3 - < 1.3.3
affected
0.86.0 - < 0.86.0*

Weaknesses (CWE)

CWE-22

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

Low

References

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