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CVE search · CVE-2021-3672

CVE-2021-3672

medium 5.6

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.

Open in the NVD CVE.org JSON

Details

Status
Modified
Published
Last changed
Source
secalert@redhat.com
Weakness
CWE-79

Severity

VersionScoreVectorSource
CVSS 3.1 medium 5.6 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L nvd@nist.govPrimary
CVSS 2.0 medium 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P nvd@nist.govPrimary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

  • c-ares_project · c-ares
  • fedoraproject · fedora
  • redhat · enterprise_linux
  • redhat · enterprise_linux_computer_node
  • redhat · enterprise_linux_eus
  • redhat · enterprise_linux_for_ibm_z_systems
  • redhat · enterprise_linux_for_ibm_z_systems_eus
  • redhat · enterprise_linux_for_power_little_endian
  • redhat · enterprise_linux_for_power_little_endian_eus
  • redhat · enterprise_linux_server_aus
  • redhat · enterprise_linux_server_tus
  • redhat · enterprise_linux_server_update_services_for_sap_solutions
  • redhat · enterprise_linux_tus
  • redhat · enterprise_linux_workstation
  • siemens · sinec_infrastructure_network_services
  • nodejs · node.js
  • pgbouncer · pgbouncer

References