CVE-2021-3672MediumMicrosoft CVSS 5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Microsoft security update for CVE-2021-3672

Published
November 27, 2021
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-3672. This page also shows what EchelonGraph holds for CVE-2021-3672, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products5

  • azl3 ceph 18.2.2-1 on Azure Linux 3.0
  • azl3 ceph 18.2.2-8 on Azure Linux 3.0
  • cbl2 pgbouncer 1.16.1-1 on CBL Mariner 2.0
  • cm1 c-ares 1.18.1-1 on CBL Mariner 1.0
  • cm1 pgbouncer 1.16.1-1 on CBL Mariner 1.0

✅ Updates Microsoft lists: 3 updates

3 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update1.16.1-1
—Security Update1.18.1-1
—Security Update18.2.2-1

🧭 EchelonGraph on CVE-2021-3672

EchelonGraph score
5.6 MEDIUM
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.

Published by Red Hat, Inc., the CVE Numbering Authority that assigned CVE-2021-3672, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (2)