CVE-2002-1420

CVSS 7.2 - HIGH

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.

Affected Products

2

Vendor	Product	Version
openbsd	openbsd	`3.0`
openbsd	openbsd	`3.1`

References

http://marc.info/?l=bugtraq&m=102918817012863&w=2

http://www.iss.net/security_center/static/9809.php

http://www.kb.cert.org/vuls/id/259787

http://www.osvdb.org/7554

http://www.securityfocus.com/bid/5442

http://marc.info/?l=bugtraq&m=102918817012863&w=2

http://www.iss.net/security_center/static/9809.php

http://www.kb.cert.org/vuls/id/259787

http://www.osvdb.org/7554

http://www.securityfocus.com/bid/5442

Weakness Types

NVD-CWE-Other

CVE Information

CVE ID:: CVE-2002-1420
Published:: 2003-04-11
Modified:: 2026-04-16
CVSS Score:: 7.2
Severity:: HIGH
Vector:: AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors

openbsd

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CVSS Severity Scale

0.0 - 3.9 LOW

4.0 - 6.9 MEDIUM

7.0 - 8.9 HIGH

9.0 - 10.0 CRITICAL