CVE-2021-3672 (Medium) detected in c-aresc-ares-1.16.0

[mend-bolt-for-github[bot]]

CVE-2021-3672 - Medium Severity Vulnerability

Vulnerable Library - c-aresc-ares-1.16.0

A C library for asynchronous DNS requests.

Library home page: https://c-ares.haxx.se/?wsslib=c-ares

Found in HEAD commit: 034a6d9c041d2f56d0c835c69088ea8b954f0b5f

Found in base branch: master

Vulnerable Source Files (3)

/deps/cares/src/ares_expand_name.c /deps/cares/src/ares_expand_name.c /deps/cares/src/ares_expand_name.c

Vulnerability Details

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.

Publish Date: 2021-11-23

URL: CVE-2021-3672

CVSS 3 Score Details (5.6)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: Low - Availability Impact: Low

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

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

Release Date: 2021-11-23

Fix Resolution: cares-1_17_2

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[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.