CVE-2021-32840 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00739.

Exploitation poc

Automatable no

Technical Impact partial

Vendors	Products
Sharpziplib Project	Sharpziplib

Configuration 1 [-]

cpe:2.3:a:sharpziplib_project:sharpziplib:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-1085	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.
Github GHSA	GHSA-m22m-h4rf-pwq3	Path Traversal in SharpZipLib

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/icsharpcode/SharpZipLib/commit/a0e96de70b5264f4c919b09253b1522bc7a221cc
https://github.com/icsharpcode/SharpZipLib/releases/tag/v1.3.3
https://securitylab.github.com/advisories/GHSL-2021-125-sharpziplib/

History

Tue, 22 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2022-01-26T21:05:10.000Z

Updated: 2025-04-22T18:32:29.435Z

Reserved: 2021-05-12T00:00:00.000Z

Link: CVE-2021-32840

Vulnrichment

Updated: 2024-08-03T23:33:56.092Z

NVD

Status : Modified

Published: 2022-01-26T21:15:13.097

Modified: 2024-11-21T06:07:51.583

Link: CVE-2021-32840

Redhat

No data.

OpenCVE Enrichment

No data.

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