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TI-2009-01804 Aliases CVE-2009-1893GHSA-45mc-hh26-869m

The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat…

Priority LOW 31CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
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

The configtest function in the Red Hat dhcpd init script for DHCP 3.0.1 in Red Hat Enterprise Linux (RHEL) 3 allows local users to overwrite arbitrary files via a symlink attack on an unspecified temporary file, related to the "dhcpd -t" command.

Why it matters now

EPSS 0.00602 49th 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 · 16

CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:3.0:*:as:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:3.0:*:es:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:3.0:*:ws:*:*:*:*:*3.0VulnerableRed Hat
cpe:2.3:a:isc:dhcp:3.0.1:rc1:*:*:*:*:*:*3.0.1 rc1VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc10:*:*:*:*:*:*3.0.1 rc10VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc11:*:*:*:*:*:*3.0.1 rc11VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc12:*:*:*:*:*:*3.0.1 rc12VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc13:*:*:*:*:*:*3.0.1 rc13VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc14:*:*:*:*:*:*3.0.1 rc14VulnerableISC
  • cpe:2.3:o:redhat:enterprise_linux:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:3.0:*:as:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:3.0:*:es:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:3.0:*:ws:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
  • cpe:2.3:a:isc:dhcp:3.0.1:rc1:*:*:*:*:*:* Versions 3.0.1 rc1 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc10:*:*:*:*:*:* Versions 3.0.1 rc10 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc11:*:*:*:*:*:* Versions 3.0.1 rc11 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc12:*:*:*:*:*:* Versions 3.0.1 rc12 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc13:*:*:*:*:*:* Versions 3.0.1 rc13 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc14:*:*:*:*:*:* Versions 3.0.1 rc14 Vulnerable ·ISC
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:isc:dhcp:3.0.1:rc2:*:*:*:*:*:*3.0.1 rc2VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc5:*:*:*:*:*:*3.0.1 rc5VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc6:*:*:*:*:*:*3.0.1 rc6VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc7:*:*:*:*:*:*3.0.1 rc7VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc8:*:*:*:*:*:*3.0.1 rc8VulnerableISC
cpe:2.3:a:isc:dhcp:3.0.1:rc9:*:*:*:*:*:*3.0.1 rc9VulnerableISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc2:*:*:*:*:*:* Versions 3.0.1 rc2 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc5:*:*:*:*:*:* Versions 3.0.1 rc5 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc6:*:*:*:*:*:* Versions 3.0.1 rc6 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc7:*:*:*:*:*:* Versions 3.0.1 rc7 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc8:*:*:*:*:*:* Versions 3.0.1 rc8 Vulnerable ·ISC
  • cpe:2.3:a:isc:dhcp:3.0.1:rc9:*:*:*:*:*:* Versions 3.0.1 rc9 Vulnerable ·ISC

Remediation

Red Hat 1 advisory

  • RHSA-2009:1154 Released 2009-07-14 · Red Hat rating Critical
    dhcp security update
    • Red Hat Desktop version 3 dhclient-7:3.0.1-10.2_EL3, dhclient-7:3.0.1-10.2_EL3.i386, dhcp-7:3.0.1-10.2_EL3 +3
    • Red Hat Enterprise Linux AS version 3 dhclient-7:3.0.1-10.2_EL3, dhclient-7:3.0.1-10.2_EL3.i386, dhclient-7:3.0.1-10.2_EL3.ia64 +9
    • Red Hat Enterprise Linux ES version 3 dhclient-7:3.0.1-10.2_EL3, dhclient-7:3.0.1-10.2_EL3.i386, dhclient-7:3.0.1-10.2_EL3.ia64 +6
    • Red Hat Enterprise Linux WS version 3 dhclient-7:3.0.1-10.2_EL3, dhclient-7:3.0.1-10.2_EL3.i386, dhclient-7:3.0.1-10.2_EL3.ia64 +6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2009:1154
Red Hat Enterprise Linux AS version 3Fixed RHSA-2009:1154
Red Hat Enterprise Linux ES version 3Fixed RHSA-2009:1154
Red Hat Enterprise Linux WS version 3Fixed RHSA-2009:1154

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-1893
  2. 2026-10-03 Alias added: GHSA-45mc-hh26-869m

References

Advisory 1

Other 3

Sources

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