CVEvulnerability

CVE-2001-1180

7.2 HIGH Published 2001-07-10 Modified 2026-06-16 Official page ↗

Status: Modified
Published: 2001-07-10
Last modified: 2026-06-16
Assigner: [email protected]
CVSS 2.0 ([email protected]): 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C

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.

Affected configurations

• freebsd freebsd 4.0 • freebsd freebsd 4.1 • freebsd freebsd 4.2 • freebsd freebsd 4.3

References

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