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CVE-2001-1180

FreeBSD 4.3 does not properly clear shared signal handlers when executing a process, which allows...

7.2 High

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.

Exploit likelihood

0.60%Down 0.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.2

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.

Record
CVE-2001-1180
CVSS 2.0
7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2001-1180
Updated
2026-11-02
EUVDEUVD-2001-1161 No score

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.

Record
EUVD-2001-1161
Updated
2026-11-03
GitHub AdvisoriesGHSA-84r2-3r7c-h628 No score

FreeBSD 4.3 does not properly clear shared signal handlers when executing a process, which allows...

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.

Record
GHSA-84r2-3r7c-h628
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2001-1180 is a high vulnerability (CVSS 7.2) in Freebsd, published July 10, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.

References

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