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CVE-2021-25214

Date: April 28, 2021

In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 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 9 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 malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.

Language: C

Severity Score

Related Resources (16)

https://security-tracker.debian.org/tracker/CVE-2021-25214
https://access.redhat.com/security/cve/CVE-2021-25214
https://security.netapp.com/advisory/ntap-20210521-0006/
https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html
https://security.alpinelinux.org/vuln/CVE-2021-25214
https://nvd.nist.gov/vuln/detail/CVE-2021-25214
https://www.debian.org/security/2021/dsa-4909
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
https://kb.isc.org/v1/docs/cve-2021-25214
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
http://www.openwall.com/lists/oss-security/2021/04/29/4
http://www.openwall.com/lists/oss-security/2021/04/29/3
http://www.openwall.com/lists/oss-security/2021/04/29/2
http://www.openwall.com/lists/oss-security/2021/04/29/1
https://www.mend.io/vulnerability-database/CVE-2021-25214

Severity Score

Weakness Type (CWE)

Reachable Assertion

CWE-617

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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