CVE-2021-4287
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-4287
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4287.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-4287
- Aliases
- Downstream
- Published
- 2022-12-27T11:15:10Z
- Modified
- 2025-07-01T13:05:41.079175Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- https://github.com/ReFirmLabs/binwalk/commit/fa0c0bd59b8588814756942fe4cb5452e76c1dcd
- https://github.com/ReFirmLabs/binwalk/pull/556
- https://github.com/ReFirmLabs/binwalk/releases/tag/v2.3.3
- https://vuldb.com/?ctiid.216876
- https://vuldb.com/?id.216876
- https://security-tracker.debian.org/tracker/CVE-2021-4287
Affected packages
Debian:11 / binwalk
Package
- Name
- binwalk
- Purl
- pkg:deb/debian/binwalk?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Debian:12 / binwalk
Package
- Name
- binwalk
- Purl
- pkg:deb/debian/binwalk?arch=source
Debian:13 / binwalk
Package
- Name
- binwalk
- Purl
- pkg:deb/debian/binwalk?arch=source