CVE-2002-0754 Information

Description

Kerberos 5 su (k5su) in FreeBSD 4.4 and earlier relies on the getlogin system call to determine if the user running k5su is root which could allow a root-initiated process to regain its privileges after it has dropped them.

Reference

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:07.k5su.asc http://www.iss.net/security_center/static/7956.php http://www.securityfocus.com/bid/3919