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CVE-2001-1180

nvd nist
Published: Jul 10, 2001Modified: Apr 16, 2026

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7.2
Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Exploitability: 3.9 / Impact: 10.0
Source: NVD

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 (4)

Products: Freebsd: Freebsd
Freebsd
1 product
Freebsd
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Freebsd
Freebsd
Version 4.0
Freebsd
Version 4.1
Freebsd
Version 4.2
Freebsd
Version 4.3

References (14)

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:42.signal.v1.1.asc (unsafe URL)
Source: cve@mitre.org
Source: cve@mitre.org
ExploitPatchVendor Advisory
Source: cve@mitre.org
Source: cve@mitre.org
PatchThird Party AdvisoryUS Government Resource
Source: cve@mitre.org
Source: cve@mitre.org
ExploitPatchVendor Advisory
Source: cve@mitre.org
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:42.signal.v1.1.asc (unsafe URL)
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitPatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitPatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

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