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    CVE-2009-1892

    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.

    Published:Jul 14, 2009
    Last Modified:Apr 23, 2026
    EPS:Jul 17, 2009
    EPSS Score:0.06663
    CVSS Score:5

    Affected Products

    Vendor
    Isc
    Product
    Dhcp

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2022-2928 (CVSS 6.5) — In ISC DHCP 4.4.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1, when the function option_code_hash_lookup()…
    CVE-2022-2929 (CVSS 6.5) — In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending…
    CVE-2021-25217 (CVSS 7.4) — In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in …
    CVE-2018-5733 (CVSS 7.5) — A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP serv…
    CVE-2018-5732 (CVSS 7.5) — Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an en…
    CVE-2017-3144 (CVSS 7.5) — A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of …
    CVE-2016-2774 (CVSS 5.9) — ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent …
    CVE-2015-8605 (CVSS 6.5) — ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial…
    CVE-2013-2494 (CVSS 4.9) — libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consu…
    CVE-2012-3955 (CVSS 7.1) — ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of servic…

    References

    http://secunia.com/advisories/35830
    http://secunia.com/advisories/35851
    http://secunia.com/advisories/36457
    http://secunia.com/advisories/37342
    http://www.debian.org/security/2009/dsa-1833
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:154
    http://www.securityfocus.com/bid/35669
    https://exchange.xforce.ibmcloud.com/vulnerabilities/51717
    https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html
    https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html
    http://secunia.com/advisories/35830
    http://secunia.com/advisories/35851
    http://secunia.com/advisories/36457
    http://secunia.com/advisories/37342
    http://www.debian.org/security/2009/dsa-1833
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:154
    http://www.securityfocus.com/bid/35669
    https://exchange.xforce.ibmcloud.com/vulnerabilities/51717
    https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html
    https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High