Vulnerability Database

296,746

Total vulnerabilities in the database

CVE-2021-42377

An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.

  • Published: Nov 15, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-42377
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.8
  • AV:N/AC:M/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
busybox / busybox 1.33.1 1.33.1.x
busybox / busybox 1.33.0 1.33.0.x
fedoraproject / fedora 33 33.x
fedoraproject / fedora 34 34.x