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CVE-2021-25214

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CVE-2021-25214

Published: Apr 29, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

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.

VendorProductVersions

ISC

BIND9

affected
Open Source Branch 9.8 9.8.5 through 9.8.8
affected
Open Source Branches 9.9 through 9.11 9.9.3 through versions before 9.11.30
affected
Open Source Branches 9.12 through 9.16 9.12.0 through versions before 9.16.14
affected
Supported Preview Branches 9.9-S through 9.11-S 9.9.3-S1 through versions before 9.11.30-S1
affected
Supported Preview Branch 9.16-S 9.16.8-S1 through versions before 9.16.14-S1

+1 more versions

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

DSA-4909
vendor-advisory
x_refsource_DEBIAN
FEDORA-2021-ace61cbee1
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-47f23870ec
vendor-advisory
x_refsource_FEDORA

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