dhcp: DoS/abort in some configs with client-identifier and hardware address host specifications
Published Jul 17, 2009
5.0
MEDIUMCVSS 2.0
EPSS 8.57%
Description
dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests.
Affected products
Remediation
Red Hat statement
Not vulnerable. Red Hat Enterprise Linux 3, 4, and 5 provide earlier versions of ISC DHCP which are not vulnerable to this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 8.57% (0.08566) | 94.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.57% (0.08566) | 94.36th | v5 (v2026.06.15) |
| Mar 30, 2025 | 6.66% (0.06663) | 90.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.93% (0.13925) | 90.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.66% (0.06663) | 90.53th | v4 (v2025.03.14) |
| Dec 17, 2024 | 84.89% (0.84886) | 98.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.30% (0.07298) | 92.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.71% (0.04711) | 89.20th | v2 (v2022.01.01) |
| Jul 18, 2022 | 4.71% (0.04711) | 88.55th | v2 (v2022.01.01) |
| Jul 17, 2022 | 2.17% (0.02172) | 79.70th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.71% (0.04711) | 88.11th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.71% (0.04711) | 74.48th | v2 (v2022.01.01) |
References (14)
- http://secunia.com/advisories/35830 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/35851 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/36457 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/37342 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2009/dsa-1833 vendor-advisoryx_refsource_DEBIANPatch
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:154 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/35669 vdb-entryx_refsource_BIDPatch
- https://access.redhat.com/security/cve/CVE-2009-1892 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=509845 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51717 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-1892
- https://www.cve.org/CVERecord?id=CVE-2009-1892
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.