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CVE-2001-1180
FreeBSD 4.3 does not properly clear shared signal handlers when executing a process, which allows local users to gain privileges by…
High7.2EPSS 0.60%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.60% · top 52% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- L-111 (opens in a new tab)third-party-advisorygovernment-resourcex_refsource_CIACx_transferred
- bsd-rfork-signal-handlers(6829) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1897 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20010710 FreeBSD 4.3 local root, yet Linux and *BSD much better than Windows (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- VU#943633 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 3007 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .