CVE-2023-42365
Published: 27 November 2023
A use-after-free vulnerability was discovered in BusyBox v.1.36.1 via a crafted awk pattern in the awk.c copyvar function.
Notes
Author | Note |
---|---|
eslerm | CVE-2023-42364 and CVE-2023-42365 share a patch, see both bugs upstream's patch contains a regression alpine has a patch for the regression upstream introduced |
Priority
Status
Package | Release | Status |
---|---|---|
busybox Launchpad, Ubuntu, Debian |
bionic |
Needed
|
focal |
Needed
|
|
jammy |
Needed
|
|
lunar |
Ignored
(end of life, was deferred [2024-06-17])
|
|
mantic |
Ignored
(end of life, was deferred [2024-06-17])
|
|
noble |
Needed
|
|
trusty |
Needed
|
|
upstream |
Needs triage
|
|
xenial |
Needed
|
|
Patches: upstream: https://git.busybox.net/busybox/commit/editors/awk.c?id=0256e00a9d077588bd3a39f5a1ef7e2eaa2911e4 |
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 |