Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2002-1420

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.

Published

2003-04-11T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	openbsd	openbsd	3.0	Yes
Operating System	openbsd	openbsd	3.1	Yes

References

http://marc.info/?l=bugtraq&m=102918817012863&w=2 ([email protected])
http://www.iss.net/security_center/static/9809.php Patch, Vendor Advisory ([email protected])
http://www.kb.cert.org/vuls/id/259787 US Government Resource ([email protected])
http://www.osvdb.org/7554 ([email protected])
http://www.securityfocus.com/bid/5442 Patch, Vendor Advisory ([email protected])
http://marc.info/?l=bugtraq&m=102918817012863&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://www.iss.net/security_center/static/9809.php Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/259787 US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/7554 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/5442 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)