CVEvulnerability

CVE-2021-42377

9.8 CRITICAL Published 2021-11-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-590, CWE-763

Description

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.

Affected configurations

• busybox busybox 1.33.0 • busybox busybox 1.33.1 • fedoraproject fedora 33 • fedoraproject fedora 34 • netapp cloud backup • netapp hci management node • netapp solidfire • netapp h300s firmware • netapp h500s firmware • netapp h700s firmware • netapp h300e firmware • netapp h500e firmware • netapp h700e firmware • netapp h410s firmware

Related

Weakness · CWE (2)

  • CWE-590 Free of Memory not on the Heap weakness
  • CWE-763 Release of Invalid Pointer or Reference weakness

References