High severity · published Aug 20, 2024
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
7.3
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
Cron · Vixie
before 9cc8ab1 · source: CISA
OP
Openbsd · Openbsd
7.4; 7.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-43688
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-43688
github.com
https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712
www.supernetworks.org
https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt
www.supernetworks.org
https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt
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