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    CVE-2006-6493

    Buffer overflow in the krbv4_ldap_auth function in servers/slapd/kerberos.c in OpenLDAP 2.4.3 and earlier, when OpenLDAP is compiled with the --enable-kbind (Kerberos KBIND) option, allows remote attackers to execute arbitrary code via an LDAP bind request using the LDAP_AUTH_KRBV41 authentication method and long credential data.

    Published:Dec 13, 2006
    Last Modified:Apr 23, 2026
    EPS:Dec 13, 2006
    EPSS Score:0.08429
    CVSS Score:5.1

    Affected Products

    Vendor
    Openldap
    Product
    Openldap

    Exploits

    http://www.phreedom.org/solar/exploits/openldap-kbindhttp://www.securityfocus.com/archive/1/454181/30/0/threadedhttp://www.phreedom.org/solar/exploits/openldap-kbindhttp://www.securityfocus.com/archive/1/454181/30/0/threadedhttps://www.exploit-db.com/exploits/2933

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2021-27212 (CVSS 7.5) — In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuer…
    CVE-2020-36221 (CVSS 7.5) — An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exac…
    CVE-2020-36222 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo va…
    CVE-2020-36224 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the sasl…
    CVE-2020-36225 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo pr…
    CVE-2020-36226 (CVSS 7.5) — A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in t…
    CVE-2020-36228 (CVSS 7.5) — An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List…

    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