do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid…
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
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as PAM failures or resource limits, as originally demonstrated by a program that exceeds the process limits as defined in /etc/security/limits.conf.
Why it matters now
EPSS 0.00565 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:paul_vixie:vixie_cron:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Paul Vixie |
- cpe:2.3:a:paul_vixie:vixie_cron:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Paul Vixie
Remediation
Red Hat 1 advisory
- RHSA-2006:0539 Released 2006-07-12 · Red Hat rating Importantvixie-cron security update
- Red Hat Enterprise Linux AS version 4 vixie-cron-4:4.1-44.EL4, vixie-cron-4:4.1-44.EL4.i386, vixie-cron-4:4.1-44.EL4.ia64 +1
- Red Hat Enterprise Linux Desktop version 4 vixie-cron-4:4.1-44.EL4, vixie-cron-4:4.1-44.EL4.i386
- Red Hat Enterprise Linux ES version 4 vixie-cron-4:4.1-44.EL4, vixie-cron-4:4.1-44.EL4.i386, vixie-cron-4:4.1-44.EL4.ia64
- Red Hat Enterprise Linux WS version 4 vixie-cron-4:4.1-44.EL4, vixie-cron-4:4.1-44.EL4.i386, vixie-cron-4:4.1-44.EL4.ia64
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2006:0539 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2006:0539 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2006:0539 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2006:0539 |
Timeline
- 2026-10-02 Threatist record created from CVE-2006-2607
- 2026-10-03 Alias added: GHSA-m6pc-rv4c-hqmg
References
More Paul Vixie Vixie Cron vulnerabilities
- TI-2001-00544 crontab in Vixie cron 3.0.1 and earlier does not properly drop privileges after the… CVSS 2.0HIGH 7.2
- TI-1999-00719 Vixie Cron on Linux systems allows local users to set parameters of sendmail commands via… CVSS 2.0HIGH 7.2
- TI-1999-00822 Buffer overflow in Vixie cron allows local users to gain root access via a long MAILTO… CVSS 2.0HIGH 7.2
- TI-1999-00293 Buffer overflow in Vixie Cron library up to version 3.0 allows local users to obtain root… CVSS 2.0HIGH 7.2
- TI-2001-00545 Buffer overflow in Vixie cron 3.0.1-56 and earlier could allow a local attacker to gain… CVSS 2.0MEDIUM 4.6
- TI-2000-01084 crontab by Paul Vixie uses predictable file names for a temporary file and does not… CVSS 2.0LOW 3.7
Sources
- CVE-2006-2607 · CVE Program
- CVE-2006-2607 · NVD
- FIRST EPSS
- GHSA-m6pc-rv4c-hqmg · GitHub Advisory Database · CC BY 4.0
- CVE-2006-2607 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences