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    CVE-2006-3122

    The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."

    Published:Aug 9, 2006
    Last Modified:Apr 16, 2026
    EPS:Aug 9, 2006
    EPSS Score:0.09777
    CVSS Score:5

    Affected Products

    Vendor
    Isc
    Product
    Dhcpd

    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-2019-6470 (CVSS 6.5) — There had existed in one of the ISC BIND libraries a bug in a function that was used by dhcpd when operating i…
    CVE-2004-1006 (CVSS 10) — Format string vulnerability in the log functions in dhcpd for dhcp 2.x allows remote DNS servers to execute ar…
    CVE-2004-0461 (CVSS 10) — The DHCP daemon (DHCPD) for ISC DHCP 3.0.1rc12 and 3.0.1rc13, when compiled in environments that do not provid…
    CVE-2004-0460 (CVSS 10) — Buffer overflow in the logging capability for the DHCP daemon (DHCPD) for ISC DHCP 3.0.1rc12 and 3.0.1rc13 all…
    CVE-2003-0039 (CVSS 5) — ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a …
    CVE-2003-0026 (CVSS 7.5) — Multiple stack-based buffer overflows in the error handling routines of the minires library, as used in the NS…
    CVE-2002-0702 (CVSS 10) — Format string vulnerabilities in the logging routines for dynamic DNS code (print.c) of ISC DHCP daemon (DHCPD…

    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