CVE-2024-43688 Memory corruption in n/a
A heap-based buffer underflow in vixie cron allows attackers to cause memory corruption, potentially leading to code execution or privilege escalation on OpenBSD systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-43688?
CVE-2024-43688 is a high-severity memory corruption vulnerability in n/a, published on 20 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-787
Which versions are affected by CVE-2024-43688?
How do I fix CVE-2024-43688?
No fix has been published for CVE-2024-43688 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-43688 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-43688 exists.
Sources
Also known as GHSA-598h-v73f-rx7f.