CVE-2002-1420 Information

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.

Reference

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