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CVE-2021-4287

Published: Dec 27, 2022

Modified: Apr 11, 2025

PUBLISHED

CVSS v3.1

5.0

MEDIUM

Description

A vulnerability, which was classified as problematic, was found in ReFirm Labs binwalk up to 2.3.2. Affected is an unknown function of the file src/binwalk/modules/extractor.py of the component Archive Extraction Handler. The manipulation leads to symlink following. It is possible to launch the attack remotely. Upgrading to version 2.3.3 is able to address this issue. The name of the patch is fa0c0bd59b8588814756942fe4cb5452e76c1dcd. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216876.

Vendor	Product	Versions
ReFirm Labs	binwalk	affected `2.3.0` affected `2.3.1` affected `2.3.2`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

https://vuldb.com/?id.216876

vdb-entry

https://vuldb.com/?ctiid.216876

signature

permissions-required

https://github.com/ReFirmLabs/binwalk/pull/556

issue-tracking

https://github.com/ReFirmLabs/binwalk/commit/fa0c0bd59b8588814756942fe4cb5452e76c1dcd

patch

https://github.com/ReFirmLabs/binwalk/releases/tag/v2.3.3

patch

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