Vulnerability CVE-2021-3672: Information

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.

Severity: MEDIUM (5.6) Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

URL: https://nvd.nist.gov/vuln/detail/CVE-2021-3672
Published: Nov. 23, 2021
Modified: Jan. 5, 2024
Error type identifier: CWE-79

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
c-aressisyphus1.17.2-alt11.30.0-alt1ALT-PU-2021-2494-1282478Fixed
c-aressisyphus_riscv641.18.1-alt11.30.0-alt1ALT-PU-2021-4410-1-Fixed
c-aresp101.17.2-alt11.26.0-alt1ALT-PU-2021-2508-1282480Fixed
c-aresp91.17.2-alt11.17.2-alt1ALT-PU-2021-2577-1282608Fixed
c-aresc10f11.17.2-alt11.19.1-alt1ALT-PU-2021-2508-1282480Fixed
c-aresc9f21.18.1-alt11.18.1-alt1ALT-PU-2022-3071-2303505Fixed
c-aresp111.17.2-alt11.28.1-alt1ALT-PU-2021-2494-1282478Fixed
nodesisyphus14.17.5-alt120.13.1-alt1ALT-PU-2021-2497-1282449Fixed
nodep1014.17.5-alt116.19.1-alt1ALT-PU-2021-2550-1282492Fixed
nodec10f114.17.5-alt116.19.1-alt1ALT-PU-2021-2550-1282492Fixed
nodec9f216.17.1-alt0.c9.116.19.1-alt0.c9.1ALT-PU-2022-3073-1303505Fixed
nodep1114.17.5-alt120.13.1-alt1ALT-PU-2021-2497-1282449Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://c-ares.haxx.se/adv_20210810.html
  • Exploit
  • Patch
  • Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1988342
  • Issue Tracking
  • Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
  • Patch
  • Third Party Advisory
N/A
  • Third Party Advisory
GLSA-202401-02

      1. Configuration 1

        cpe:2.3:a:c-ares_project:c-ares:*:*:*:*:*:*:*:*
        Start including
        1.0.0
        End excliding
        1.17.2

        Configuration 2

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

        Configuration 3

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

        Configuration 4

        cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
        End excliding
        1.0.1.1

        Configuration 5

        cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
        Start including
        16.0.0
        End excliding
        16.6.2
        cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
        Start including
        14.0.0
        End including
        14.14.0
        cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
        Start including
        12.13.0
        End excliding
        12.22.5
        cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
        Start including
        12.0.0
        End including
        12.12.0
        cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
        Start including
        14.15.0
        End excliding
        14.17.5

        Configuration 6

        cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*
        End including
        1.17.0
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