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CVE-2021-42373

Published: 15 November 2021

A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given

Notes

AuthorNote
mdeslaur
introduced in 1.33

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
busybox
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(1:1.30.1-6ubuntu3)
trusty Not vulnerable

upstream
Released (1.34.0)
xenial Not vulnerable

bionic Not vulnerable
(1:1.27.2-2ubuntu3.3)
focal Not vulnerable
(1:1.30.1-4ubuntu6.3)
hirsute Not vulnerable
(1:1.30.1-6ubuntu2)
impish Not vulnerable
(1:1.30.1-6ubuntu3)

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H