CVE-2001-1180

FreeBSD 4.3 - Privilege Escalation via Shared Signal Handler

Title source: llm
STIX 2.1

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.

References (7)

Core 7
Core References
Various Sources third-party-advisory government-resource x_refsource_ciac
http://ciac.llnl.gov/ciac/bulletins/l-111.shtml
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/6829
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/1897
Exploit, Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2001-07/0179.html
Patch, Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/943633
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/3007

Scores

EPSS 0.0017
EPSS Percentile 38.2%

Details

Status published
Products (4)
freebsd/freebsd 4.0
freebsd/freebsd 4.1
freebsd/freebsd 4.2
freebsd/freebsd 4.3
Published Jul 10, 2001
Tracked Since Feb 18, 2026