Detections
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Alpine: busybox: security update to 1.33.1-r5

medium Tenable Cloud Security Plugin ID 403751

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - An incorrect handling of a special element in Busybox's ash applet leads to denial of service when
 processing a crafted shell command, due to the shell mistaking specific characters for reserved
 characters. This may be used for DoS under rare conditions of filtered command input. (CVE-2021-42375)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-42375

Plugin Details

Severity: Medium

ID: 403751

Version: Revision 1.29

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-42375

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 11/15/2021

Reference Information

CVE: CVE-2021-42375