Unrated severityNVD Advisory· Published Jul 10, 2001· Updated Jun 16, 2026

CVE-2001-1180

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FreeBSD/FreeBSD5 versions
cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
- (no CPE)range: =4.3

Patches

Vulnerability mechanics

References

www.kb.cert.org/vuls/id/943633nvdPatchThird Party AdvisoryUS Government Resource
archives.neohapsis.com/archives/bugtraq/2001-07/0179.htmlnvdExploitPatchVendor Advisory
www.securityfocus.com/bid/3007nvdExploitPatchVendor Advisory
ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:42.signal.v1.1.ascnvd
ciac.llnl.gov/ciac/bulletins/l-111.shtmlnvd
www.osvdb.org/1897nvd
exchange.xforce.ibmcloud.com/vulnerabilities/6829nvd

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