CVE-2021-3672

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:c-ares_project:c-ares:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_computer_node:1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_tus:8.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:1:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*

Configuration 5 (hide)

OR cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*

Configuration 6 (hide)

cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:22

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=1988342 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1988342 - Issue Tracking, Third Party Advisory
References () https://c-ares.haxx.se/adv_20210810.html - Exploit, Patch, Vendor Advisory () https://c-ares.haxx.se/adv_20210810.html - Exploit, Patch, Vendor Advisory
References () https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf - Patch, Third Party Advisory () https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf - Patch, Third Party Advisory
References () https://security.gentoo.org/glsa/202401-02 - () https://security.gentoo.org/glsa/202401-02 -
References () https://www.oracle.com/security-alerts/cpujul2022.html - Third Party Advisory () https://www.oracle.com/security-alerts/cpujul2022.html - Third Party Advisory

05 Jan 2024, 10:15

Type Values Removed Values Added
References
  • () https://security.gentoo.org/glsa/202401-02 -

Information

Published : 2021-11-23 19:15

Updated : 2024-11-21 06:22


NVD link : CVE-2021-3672

Mitre link : CVE-2021-3672

CVE.ORG link : CVE-2021-3672


JSON object : View

Products Affected

siemens

  • sinec_infrastructure_network_services

pgbouncer

  • pgbouncer

redhat

  • enterprise_linux
  • enterprise_linux_computer_node
  • enterprise_linux_tus
  • enterprise_linux_for_ibm_z_systems
  • enterprise_linux_for_power_little_endian_eus
  • enterprise_linux_for_ibm_z_systems_eus
  • enterprise_linux_server_aus
  • enterprise_linux_server_update_services_for_sap_solutions
  • enterprise_linux_eus
  • enterprise_linux_server_tus
  • enterprise_linux_workstation
  • enterprise_linux_for_power_little_endian

c-ares_project

  • c-ares

nodejs

  • node.js

fedoraproject

  • fedora
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')