CVE-2021-3672

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-3672
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-11-23 19:15:00 UTC
Updated2024-01-05 10:15:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-79

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application C-ares Project C-ares All All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Nodejs Node.js All All All All
Application Nodejs Node.js All All All All
Application Nodejs Node.js All All All All
Application Nodejs Node.js All All All All
Application Pgbouncer Pgbouncer All All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 7.7 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Operating System Redhat Enterprise Linux Computer Node 1 All All All
Operating System Redhat Enterprise Linux Eus 7.7 All All All
Operating System Redhat Enterprise Linux Eus 8.1 All All All
Operating System Redhat Enterprise Linux Eus 8.2 All All All
Operating System Redhat Enterprise Linux Eus 8.4 All All All
Operating System Redhat Enterprise Linux For Ibm Z Systems 8.0 All All All
Operating System Redhat Enterprise Linux For Ibm Z Systems Eus 8.1 All All All
Operating System Redhat Enterprise Linux For Ibm Z Systems Eus 8.2 All All All
Operating System Redhat Enterprise Linux For Ibm Z Systems Eus 8.4 All All All
Operating System Redhat Enterprise Linux For Power Little Endian 8.0 All All All
Operating System Redhat Enterprise Linux For Power Little Endian Eus 8.1 All All All
Operating System Redhat Enterprise Linux For Power Little Endian Eus 8.2 All All All
Operating System Redhat Enterprise Linux For Power Little Endian Eus 8.4 All All All
Operating System Redhat Enterprise Linux Server Aus 8.2 All All All
Operating System Redhat Enterprise Linux Server Aus 8.4 All All All
Operating System Redhat Enterprise Linux Server Tus 8.2 All All All
Operating System Redhat Enterprise Linux Server Tus 8.4 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 8.1 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 8.2 All All All
Operating System Redhat Enterprise Linux Server Update Services For Sap Solutions 8.4 All All All
Operating System Redhat Enterprise Linux Tus 8.4 All All All
Operating System Redhat Enterprise Linux Workstation 1 All All All
Application Siemens Sinec Infrastructure Network Services All All All All

References

ReferenceSourceLinkTags
Missing input validation on hostnames returned by DNS servers MISC c-ares.haxx.se
GLSA-202401-02 security.gentoo.org
cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf CONFIRM cert-portal.siemens.com
1988342 – (CVE-2021-3672) CVE-2021-3672 c-ares: Missing input validation of host names may lead to domain hijacking MISC bugzilla.redhat.com
Oracle Critical Patch Update Advisory - July 2022 N/A www.oracle.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159398 Oracle Enterprise Linux Security Update for nodejs:12 (ELSA-2021-3623)
  • 159408 Oracle Enterprise Linux Security Update for nodejs:14 (ELSA-2021-3666)
  • 159827 Oracle Enterprise Linux Security Update for c-ares (ELSA-2022-2043)
  • 178750 Debian Security Update for c-ares (DSA 4954-1)
  • 178751 Debian Security Update for c-ares (DLA 2738-1)
  • 179624 Debian Security Update for c-ares (CVE-2021-3672)
  • 198455 Ubuntu Security Notification for c-ares vulnerability (USN-5034-1)
  • 239590 Red Hat Update for rh-nodejs12-nodejs and rh-nodejs12-nodejs-nodemon (RHSA-2021:3281)
  • 239591 Red Hat Update for rh-nodejs14-nodejs and rh-nodejs14-nodejs-nodemon (RHSA-2021:3280)
  • 239645 Red Hat Update for nodejs:12 (RHSA-2021:3623)
  • 239654 Red Hat Update for nodejs:12 (RHSA-2021:3639)
  • 239655 Red Hat Update for nodejs:12 (RHSA-2021:3638)
  • 239658 Red Hat Update for nodejs:14 (RHSA-2021:3666)
  • 240295 Red Hat Update for c-ares (RHSA-2022:2043)
  • 281816 Fedora Security Update for c (FEDORA-2021-0a60cbb948)
  • 281821 Fedora Security Update for mingw (FEDORA-2021-001ec24fc5)
  • 281822 Fedora Security Update for mingw (FEDORA-2021-c83b66abdb)
  • 281869 Fedora Security Update for c (FEDORA-2021-52c89b44a9)
  • 296060 Oracle Solaris 11.4 Support Repository Update (SRU) 37.0.1.101.1 Missing (CPUJUL2021)
  • 352861 Amazon Linux Security Advisory for c-ares: ALAS-2021-1545
  • 375877 Kibana Multiple Security Vulnerabilities (ESA-2021-21, ESA-2021-22, ESA-2021-24)
  • 376035 F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Node.js Vulnerabilities (K53225395)
  • 377157 Alibaba Cloud Linux Security Update for nodejs:14 (ALINUX3-SA-2021:0072)
  • 500086 Alpine Linux Security Update for c-ares
  • 500444 Alpine Linux Security Update for nodejs
  • 501453 Alpine Linux Security Update for nodejs
  • 501884 Alpine Linux Security Update for nodejs-current
  • 502123 Alpine Linux Security Update for nodejs-current
  • 503759 Alpine Linux Security Update for c-ares
  • 504207 Alpine Linux Security Update for nodejs
  • 505102 Alpine Linux Security Update for nodejs-current
  • 670816 EulerOS Security Update for c-ares (EulerOS-SA-2021-2704)
  • 670983 EulerOS Security Update for c-ares (EulerOS-SA-2021-2679)
  • 670989 EulerOS Security Update for c-ares (EulerOS-SA-2021-2652)
  • 671016 EulerOS Security Update for c-ares (EulerOS-SA-2021-2623)
  • 671035 EulerOS Security Update for c-ares (EulerOS-SA-2021-2574)
  • 691133 Free Berkeley Software Distribution (FreeBSD) Security Update for py39 (43e9ffd4-d6e0-11ed-956f-7054d21a9e2a)
  • 710820 Gentoo Linux c-ares Multiple Vulnerabilities (GLSA 202401-02)
  • 750967 SUSE Enterprise Linux Security Update for libcares2 (SUSE-SU-2021:2690-1)
  • 750975 SUSE Enterprise Linux Security Update for c-ares (SUSE-SU-2021:2760-1)
  • 750979 OpenSUSE Security Update for c-ares (openSUSE-SU-2021:2760-1)
  • 751022 OpenSUSE Security Update for c-ares (openSUSE-SU-2021:1168-1)
  • 751061 OpenSUSE Security Update for nodejs12 (openSUSE-SU-2021:2875-1)
  • 751071 OpenSUSE Security Update for nodejs12 (openSUSE-SU-2021:1214-1)
  • 751093 OpenSUSE Security Update for nodejs10 (openSUSE-SU-2021:2953-1)
  • 751112 OpenSUSE Security Update for nodejs10 (openSUSE-SU-2021:1239-1)
  • 751171 OpenSUSE Security Update for nodejs14 (openSUSE-SU-2021:3211-1)
  • 751178 OpenSUSE Security Update for nodejs14 (openSUSE-SU-2021:1313-1)
  • 900407 Common Base Linux Mariner (CBL-Mariner) Security Update for c-ares (6243)
  • 904236 Common Base Linux Mariner (CBL-Mariner) Security Update for pgbouncer (11165)
  • 904268 Common Base Linux Mariner (CBL-Mariner) Security Update for pgbouncer (11139)
  • 940217 AlmaLinux Security Update for nodejs:12 (ALSA-2021:3623)
  • 940388 AlmaLinux Security Update for nodejs:14 (ALSA-2021:3666)
  • 940536 AlmaLinux Security Update for c-ares (ALSA-2022:2043)
  • 960124 Rocky Linux Security Update for c-ares (RLSA-2022:2043)
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