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    CVE-2021-27212

    In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

    Published:Feb 14, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 14, 2021
    EPSS Score:0.23255
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Openldap
    Product
    Openldap

    Exploits

    https://bugs.openldap.org/show_bug.cgi?id=9454https://bugs.openldap.org/show_bug.cgi?id=9454

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    References

    https://bugs.openldap.org/show_bug.cgi?id=9454
    https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0
    https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html
    https://security.netapp.com/advisory/ntap-20210319-0005/
    https://www.debian.org/security/2021/dsa-4860
    https://bugs.openldap.org/show_bug.cgi?id=9454
    https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584f2c2994af7c30b0
    https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1a9c26c684af6c30
    https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
    https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html
    https://security.netapp.com/advisory/ntap-20210319-0005/
    https://www.debian.org/security/2021/dsa-4860

    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