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CVE-2023-42363

Published: 27 November 2023

A use-after-free vulnerability was discovered in xasprintf function in xfuncs_printf.c:344 in BusyBox v.1.36.1.

Notes

AuthorNote
mdeslaur
as of 2024-07-18, there is no fix from upstream for this issue,
only a fix proposed on the mailing list
iconstantin
proposed fix has been merged, bug not yet updated as of
2024-07-24

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
busybox
Launchpad, Ubuntu, Debian
bionic Deferred
(2024-07-18)
focal Deferred
(2024-07-18)
jammy Deferred
(2024-07-18)
lunar Ignored
(end of life, was deferred [2024-07-18])
mantic Ignored
(end of life, was deferred [2024-07-18])
noble Deferred
(2024-07-18)
trusty Deferred
(2024-07-18)
upstream Needs triage

xenial Deferred
(2024-07-18)
Patches:
upstream: https://git.busybox.net/busybox/commit/editors/awk.c?id=fb08d43d44d1fea1f741fafb9aa7e1958a5f69aa

Severity score breakdown

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