fcronsighup in Fcron 2.0.1, 2.9.4, and possibly earlier versions allows local users to…
Priority LOW 32Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
fcronsighup in Fcron 2.0.1, 2.9.4, and possibly earlier versions allows local users to bypass access restrictions and load an arbitrary configuration file by starting an suid process and pointing the fcronsighup configuration file to a /proc entry that is owned by root but modifiable by the user, such as /proc/self/cmdline or /proc/self/environ.
Why it matters now
EPSS 0.00369 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:thibault_godouet:fcron:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Thibault Godouet |
| cpe:2.3:a:thibault_godouet:fcron:2.9.4:*:*:*:*:*:*:* | 2.9.4 | Vulnerable | Thibault Godouet |
| cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* | all versions | Vulnerable | gentoo |
- cpe:2.3:a:thibault_godouet:fcron:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Thibault Godouet
- cpe:2.3:a:thibault_godouet:fcron:2.9.4:*:*:*:*:*:*:* Versions 2.9.4 Vulnerable ·Thibault Godouet
- cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·gentoo
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1031
- 2026-10-03 Alias added: GHSA-rq5v-5f8w-q4j4
References
Sources
- CVE-2004-1031 · CVE Program
- CVE-2004-1031 · NVD
- FIRST EPSS
- GHSA-rq5v-5f8w-q4j4 · GitHub Advisory Database · CC BY 4.0
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