Format string vulnerability in the log functions in dhcpd for dhcp 2.x allows remote DNS…
Priority MEDIUM 54Published · Updated
Key facts
- Attack vector
- Network
- 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
Format string vulnerability in the log functions in dhcpd for dhcp 2.x allows remote DNS servers to execute arbitrary code via certain DNS messages, a different vulnerability than CVE-2002-0702.
Why it matters now
EPSS 0.07968 94th 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
| 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 · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:isc:dhcpd:2.0.pl5:*:*:*:*:*:*:* | 2.0.pl5 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0:rc12:*:*:*:*:*:* | 3.0 rc12 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0:rc4:*:*:*:*:*:* | 3.0 rc4 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc1:*:*:*:*:*:* | 3.0.1 rc1 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc10:*:*:*:*:*:* | 3.0.1 rc10 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc11:*:*:*:*:*:* | 3.0.1 rc11 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc12:*:*:*:*:*:* | 3.0.1 rc12 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc13:*:*:*:*:*:* | 3.0.1 rc13 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc14:*:*:*:*:*:* | 3.0.1 rc14 | Vulnerable | ISC |
- cpe:2.3:a:isc:dhcpd:2.0.pl5:*:*:*:*:*:*:* Versions 2.0.pl5 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0:rc12:*:*:*:*:*:* Versions 3.0 rc12 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0:rc4:*:*:*:*:*:* Versions 3.0 rc4 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc1:*:*:*:*:*:* Versions 3.0.1 rc1 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc10:*:*:*:*:*:* Versions 3.0.1 rc10 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc11:*:*:*:*:*:* Versions 3.0.1 rc11 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc12:*:*:*:*:*:* Versions 3.0.1 rc12 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc13:*:*:*:*:*:* Versions 3.0.1 rc13 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc14:*:*:*:*:*:* Versions 3.0.1 rc14 Vulnerable ·ISC
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:isc:dhcpd:3.0.1:rc2:*:*:*:*:*:* | 3.0.1 rc2 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc3:*:*:*:*:*:* | 3.0.1 rc3 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc4:*:*:*:*:*:* | 3.0.1 rc4 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc5:*:*:*:*:*:* | 3.0.1 rc5 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc6:*:*:*:*:*:* | 3.0.1 rc6 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc7:*:*:*:*:*:* | 3.0.1 rc7 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc8:*:*:*:*:*:* | 3.0.1 rc8 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0.1:rc9:*:*:*:*:*:* | 3.0.1 rc9 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0_b2pl9:*:*:*:*:*:*:* | 3.0_b2pl9 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0_b2pl23:*:*:*:*:*:*:* | 3.0_b2pl23 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0_pl1:*:*:*:*:*:*:* | 3.0_pl1 | Vulnerable | ISC |
| cpe:2.3:a:isc:dhcpd:3.0_pl2:*:*:*:*:*:*:* | 3.0_pl2 | Vulnerable | ISC |
- cpe:2.3:a:isc:dhcpd:3.0.1:rc2:*:*:*:*:*:* Versions 3.0.1 rc2 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc3:*:*:*:*:*:* Versions 3.0.1 rc3 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc4:*:*:*:*:*:* Versions 3.0.1 rc4 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc5:*:*:*:*:*:* Versions 3.0.1 rc5 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc6:*:*:*:*:*:* Versions 3.0.1 rc6 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc7:*:*:*:*:*:* Versions 3.0.1 rc7 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc8:*:*:*:*:*:* Versions 3.0.1 rc8 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0.1:rc9:*:*:*:*:*:* Versions 3.0.1 rc9 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0_b2pl9:*:*:*:*:*:*:* Versions 3.0_b2pl9 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0_b2pl23:*:*:*:*:*:*:* Versions 3.0_b2pl23 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0_pl1:*:*:*:*:*:*:* Versions 3.0_pl1 Vulnerable ·ISC
- cpe:2.3:a:isc:dhcpd:3.0_pl2:*:*:*:*:*:*:* Versions 3.0_pl2 Vulnerable ·ISC
Remediation
Red Hat 1 advisory
- RHSA-2005:212 Released 2005-04-12 · Red Hat rating Moderatedhcp security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Linux Advanced Workstation 2.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2005:212 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2005:212 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2005:212 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1006
- 2026-10-03 Alias added: GHSA-3f5j-qwg9-83wr
References
More ISC Dhcpd vulnerabilities
- TI-2004-00415 Buffer overflow in the logging capability for the DHCP daemon (DHCPD) for ISC DHCP… CVSS 2.0HIGH 10.0
- TI-2002-00679 Format string vulnerabilities in the logging routines for dynamic DNS code (print.c) of… CVSS 2.0HIGH 10.0
- TI-2004-00416 The DHCP daemon (DHCPD) for ISC DHCP 3.0.1rc12 and 3.0.1rc13, when compiled in… CVSS 2.0HIGH 10.0
- TI-2003-00023 Multiple stack-based buffer overflows in the error handling routines of the minires… CVSS 2.0HIGH 7.5
- TI-2019-04534 dhcpd: use-after-free error leads crash in IPv6 mode when using mismatched BIND libraries CVSS 3.1HIGH 7.5
- TI-2003-00035 ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2004-1006 · CVE Program
- CVE-2004-1006 · NVD
- FIRST EPSS
- GHSA-3f5j-qwg9-83wr · GitHub Advisory Database · CC BY 4.0
- CVE-2004-1006 · 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