binwalk vulnerable to UNIX Symbolic Link (Symlink) Following

MEDIUM 6.5CVE-2021-4287 · GHSA-8m3f-g62j-3vx8 · PYSEC-2026-788 · Published 27/12/2022 · updated 17/06/2026

Package	Affected versions	Patched versions
binwalk PyPI	`< 2.3.3`	`2.3.3`
binwalk microsoft	`< 2.3.3`	`2.3.3`

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 can 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.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2021-4287 · ADVISORY
ReFirmLabs/binwalk#556 · WEB
ReFirmLabs/binwalk commit fa0c0bd · WEB
ReFirmLabs/binwalk · PACKAGE
ReFirmLabs/binwalk release v2.3.3 · WEB
vuldb.com · WEB
vuldb.com · WEB
pypi.org/project/binwalk · PACKAGE
GitHub Advisory GHSA-8m3f-g62j-3vx8 · ADVISORY

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Package

Affected versions

Patched versions

binwalk

PyPI

< 2.3.3

2.3.3

binwalk

microsoft

< 2.3.3

2.3.3

Description

NVD 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.