CVE-2024-43688

cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
mitreCNA
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CISA-ADPADP
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
Debian logo
Debian Releases
Debian Product
Codename
cron
bullseye
3.0pl1-137
fixed
bookworm
3.0pl1-162
fixed
sid
3.0pl1-196
fixed
trixie
3.0pl1-196
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
cron
noble
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712
https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt
https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt