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    CVE-2021-25215

    In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.

    Published:Apr 28, 2021
    Last Modified:Nov 21, 2024
    EPS:Apr 29, 2021
    EPSS Score:0.01642
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Isc
    Product
    Bind
    Vendor
    Netapp
    Product
    500f
    Vendor
    Netapp
    Product
    500f Firmware
    Vendor
    Netapp
    Product
    A250
    Vendor
    Netapp
    Product
    A250 Firmware
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    H300e
    Vendor
    Netapp
    Product
    H300e Firmware
    Vendor
    Netapp
    Product
    H300s
    Vendor
    Netapp
    Product
    H300s Firmware
    Vendor
    Netapp
    Product
    H410s
    Vendor
    Netapp
    Product
    H410s Firmware
    Vendor
    Netapp
    Product
    H500e
    Vendor
    Netapp
    Product
    H500e Firmware
    Vendor
    Netapp
    Product
    H500s
    Vendor
    Netapp
    Product
    H500s Firmware
    Vendor
    Netapp
    Product
    H700e
    Vendor
    Netapp
    Product
    H700e Firmware
    Vendor
    Netapp
    Product
    H700s
    Vendor
    Netapp
    Product
    H700s Firmware
    Vendor
    Oracle
    Product
    Tekelec Platform Distribution
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Siemens
    Product
    Sinec Infrastructure Network Services

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://www.openwall.com/lists/oss-security/2021/04/29/1
    http://www.openwall.com/lists/oss-security/2021/04/29/2
    http://www.openwall.com/lists/oss-security/2021/04/29/3
    http://www.openwall.com/lists/oss-security/2021/04/29/4
    https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
    https://kb.isc.org/v1/docs/cve-2021-25215
    https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
    https://security.netapp.com/advisory/ntap-20210521-0006/
    https://www.debian.org/security/2021/dsa-4909
    https://www.oracle.com/security-alerts/cpuoct2021.html
    http://www.openwall.com/lists/oss-security/2021/04/29/1
    http://www.openwall.com/lists/oss-security/2021/04/29/2
    http://www.openwall.com/lists/oss-security/2021/04/29/3
    http://www.openwall.com/lists/oss-security/2021/04/29/4
    https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
    https://kb.isc.org/v1/docs/cve-2021-25215
    https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
    https://security.netapp.com/advisory/ntap-20210521-0006/
    https://www.debian.org/security/2021/dsa-4909
    https://www.oracle.com/security-alerts/cpuoct2021.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