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.
CVE-2021-3672 - Medium Severity Vulnerability
Vulnerable Library - Golang_Node_Executorv1.0
Executes Nodejs via GRPC from Golang client.
Library home page: https://github.com/arijitAD/Golang_Node_Executor.git
Found in base branch: master
Vulnerable Source Files (3)
/trustid-sdk/node_modules/grpc/deps/grpc/third_party/cares/cares/ares_expand_name.c /trustid-sdk/node_modules/grpc/deps/grpc/third_party/cares/cares/ares_expand_name.c /trustid-sdk/node_modules/grpc/deps/grpc/third_party/cares/cares/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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