CVE-2002-1420 json
Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative valu…
published 2003-04-11 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1403
- cvss
- 7.2
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- securityfocus.com/bid/5442 advisory
- iss.net/security_center/static/9809.php advisory
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
References
-
securityfocus.com
/bid/5442
vdb-entry, patch, vendor-advisory
-
iss.net
/security_center/static/9809.php
vdb-entry, patch, vendor-advisory
-
kb.cert.org
/vuls/id/259787
third-party-advisory, us-government-resource
-
osvdb.org
/7554
vdb-entry
-
marc.info
/?l=bugtraq&m=102918817012863&w=2
mailing-list
Sources
- CVE List CVE-2002-1420
- NVD CVE-2002-1420
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