CVE-2021-4287: UNIX Symbolic Link (Symlink) Following

December 27, 2022 (updated December 30, 2022)

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

github.com/ReFirmLabs/binwalk/commit/fa0c0bd59b8588814756942fe4cb5452e76c1dcd
github.com/ReFirmLabs/binwalk/pull/556
github.com/ReFirmLabs/binwalk/releases/tag/v2.3.3
github.com/advisories/GHSA-8m3f-g62j-3vx8
nvd.nist.gov/vuln/detail/CVE-2021-4287
vuldb.com/?ctiid.216876
vuldb.com/?id.216876

Code Behaviors & Features

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