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TI-2007-01780 Aliases CVE-2007-1856GHSA-jvqr-f98w-8phq

Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which…

Priority LOW 11Published · 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
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c.

Why it matters now

EPSS 0.00383 32nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*all versionsRunning ongentoo
cpe:2.3:a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:*up to 4.1VulnerablePaul Vixie
  • cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* Versions all versions Running on ·gentoo
  • cpe:2.3:a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:* Versions up to 4.1 Vulnerable ·Paul Vixie

Remediation

Red Hat 1 advisory

  • RHSA-2007:0345 Released 2007-05-17 · Red Hat rating Moderate
    vixie-cron security update
    • Red Hat Desktop version 3 vixie-cron-4.1-19.EL3, vixie-cron-4.1-19.EL3.i386
    • Red Hat Enterprise Linux (v. 5 server) vixie-cron-4:4.1-70.el5, vixie-cron-4:4.1-70.el5.i386, vixie-cron-4:4.1-70.el5.ia64 +1
    • Red Hat Enterprise Linux AS version 3 vixie-cron-4.1-19.EL3, vixie-cron-4.1-19.EL3.i386, vixie-cron-4.1-19.EL3.ia64 +1
    • Red Hat Enterprise Linux AS version 4 vixie-cron-4:4.1-47.EL4, vixie-cron-4:4.1-47.EL4.i386, vixie-cron-4:4.1-47.EL4.ia64 +1
    • Red Hat Enterprise Linux Desktop (v. 5 client) vixie-cron-4:4.1-70.el5, vixie-cron-4:4.1-70.el5.i386
    • Red Hat Enterprise Linux Desktop version 4 vixie-cron-4:4.1-47.EL4, vixie-cron-4:4.1-47.EL4.i386
    • Red Hat Enterprise Linux ES version 3 vixie-cron-4.1-19.EL3, vixie-cron-4.1-19.EL3.i386, vixie-cron-4.1-19.EL3.ia64
    • Red Hat Enterprise Linux ES version 4 vixie-cron-4:4.1-47.EL4, vixie-cron-4:4.1-47.EL4.i386, vixie-cron-4:4.1-47.EL4.ia64
    • Red Hat Enterprise Linux WS version 3 vixie-cron-4.1-19.EL3, vixie-cron-4.1-19.EL3.i386, vixie-cron-4.1-19.EL3.ia64
    • Red Hat Enterprise Linux WS version 4 vixie-cron-4:4.1-47.EL4, vixie-cron-4:4.1-47.EL4.i386, vixie-cron-4:4.1-47.EL4.ia64

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2007:0345
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:0345
Red Hat Enterprise Linux AS version 3Fixed RHSA-2007:0345
Red Hat Enterprise Linux AS version 4Fixed RHSA-2007:0345
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:0345
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2007:0345
Red Hat Enterprise Linux ES version 3Fixed RHSA-2007:0345
Red Hat Enterprise Linux ES version 4Fixed RHSA-2007:0345
Red Hat Enterprise Linux WS version 3Fixed RHSA-2007:0345
Red Hat Enterprise Linux WS version 4Fixed RHSA-2007:0345

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-1856
  2. 2026-10-03 Alias added: GHSA-jvqr-f98w-8phq

References

Advisory 4

Other 4

  • 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-2006-02526 do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid… 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
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences