CVE-2021-4287CWE-61

ReFirm Labs binwalk Archive Extraction extractor.py symlink

Medium · published December 27, 2022

CVSS v3.1
5.0
EPSS
2%
Percentile
81.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.02039 · 81.0th percentile
Weakness
CWE-61 · UNIX Symbolic Link (Symlink) Following
Published
2022-12-27T10:32Z
EPSS history
Timeline
  • 27 DEC 10:32Z
    ReFirm Labs binwalk Archive Extraction extractor.py symlink
    cvelistv5