VULNERABILITY INTELLIGENCE
CVE-2002-1420
CVSS score7.2 HIGH
EPSS probability0.33%
CISA KEVNot currently listed
Published2003-04-11
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:C/I:C/A:C
Description
Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation.
Primary references
- cve@mitre.org
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org — US Government Resource
- cve@mitre.org
- cve@mitre.org — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — US Government Resource
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory