CVE-2001-1180 Information

Description

FreeBSD 4.3 does not properly clear shared signal handlers when executing a process which allows local users to gain privileges by calling rfork with a shared signal handler having the child process execute a setuid program and sending a signal to the child.

Reference

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:42.signal.v1.1.asc http://archives.neohapsis.com/archives/bugtraq/2001-07/0179.html http://ciac.llnl.gov/ciac/bulletins/l-111.shtml http://www.kb.cert.org/vuls/id/943633 http://www.osvdb.org/1897 http://www.securityfocus.com/bid/3007 https://exchange.xforce.ibmcloud.com/vulnerabilities/6829