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CVE-2021-3672

Published: Nov 23, 2021

Modified: Oct 15, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	c-ares	affected `c-ares 1.17.2`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=1988342

https://c-ares.haxx.se/adv_20210810.html

https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf

https://www.oracle.com/security-alerts/cpujul2022.html

vendor-advisory

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