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CVE-2021-3672
CVE ID
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CVE-2021-3672
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
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.
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CVSS V3 Severity and Metrics
General Information
Vendors
- c-ares project,
- fedoraproject,
- nodejs,
- pgbouncer,
- redhat,
- siemens
Products
- c-ares,
- enterprise linux 7.0,
- enterprise linux 7.7,
- enterprise linux 8.0,
- enterprise linux computer node 1,
- enterprise linux eus 7.7,
- enterprise linux eus 8.1,
- enterprise linux eus 8.2,
- enterprise linux eus 8.4,
- enterprise linux for ibm z systems 8.0,
- enterprise linux for ibm z systems eus 8.1,
- enterprise linux for ibm z systems eus 8.2,
- enterprise linux for ibm z systems eus 8.4,
- enterprise linux for power little endian 8.0,
- enterprise linux for power little endian eus 8.1,
- enterprise linux for power little endian eus 8.2,
- enterprise linux for power little endian eus 8.4,
- enterprise linux server aus 8.2,
- enterprise linux server aus 8.4,
- enterprise linux server tus 8.2,
- enterprise linux server tus 8.4,
- enterprise linux server update services for sap solutions 8.1,
- enterprise linux server update services for sap solutions 8.2,
- enterprise linux server update services for sap solutions 8.4,
- enterprise linux tus 8.4,
- enterprise linux workstation 1,
- fedora 33,
- fedora 34,
- node.js,
- pgbouncer,
- sinec infrastructure network services
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
