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CVE-2001-1180 — HIGH severity vulnerability (FreeBSD 4.3 does not properly clear shared signal handlers w)

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.

CVE IDCVE-2001-1180
SeverityHIGH
CVSS score7.2
CVSS vectorAV:L/AC:L/Au:N/C:C/I:C/A:C
CWENVD-CWE-Other
StatusModified
Published2001-07-10
Last modified2026-04-16
DescriptionFreeBSD 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.
SourceNIST National Vulnerability Database

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