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Ubuntu: (Multiple Advisories) (CVE-2021-25220): Bind vulnerability

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Ubuntu: (Multiple Advisories) (CVE-2021-25220): Bind vulnerability

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
03/17/2022
Created
03/21/2022
Added
03/18/2022
Modified
04/01/2022

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From USN-5332-2:

USN-5332-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Xiang Li, Baojun Liu, Chaoyi Lu, and Changgen Zou discovered that Bind incorrectly handled certain bogus NS records when using forwarders. A remote attacker could possibly use this issue to manipulate cache results. (CVE-2021-25220)

Solution(s)

  • ubuntu-upgrade-bind9

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