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Red Hat: CVE-2021-25215: CVE-2021-25215 bind: An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (Multiple Advisories)

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Red Hat: CVE-2021-25215: CVE-2021-25215 bind: An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
04/29/2021
Created
04/30/2021
Added
04/30/2021
Modified
12/15/2023

Description

In BIND 9.0.0 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a query for a record triggering the flaw described above, the named process will terminate due to a failed assertion check. The vulnerability affects all currently maintained BIND 9 branches (9.11, 9.11-S, 9.16, 9.16-S, 9.17) as well as all other versions of BIND 9.

Solution(s)

  • redhat-upgrade-bind
  • redhat-upgrade-bind-chroot
  • redhat-upgrade-bind-debuginfo
  • redhat-upgrade-bind-debugsource
  • redhat-upgrade-bind-devel
  • redhat-upgrade-bind-export-devel
  • redhat-upgrade-bind-export-libs
  • redhat-upgrade-bind-export-libs-debuginfo
  • redhat-upgrade-bind-libs
  • redhat-upgrade-bind-libs-debuginfo
  • redhat-upgrade-bind-libs-lite
  • redhat-upgrade-bind-libs-lite-debuginfo
  • redhat-upgrade-bind-license
  • redhat-upgrade-bind-lite-devel
  • redhat-upgrade-bind-pkcs11
  • redhat-upgrade-bind-pkcs11-debuginfo
  • redhat-upgrade-bind-pkcs11-devel
  • redhat-upgrade-bind-pkcs11-libs
  • redhat-upgrade-bind-pkcs11-libs-debuginfo
  • redhat-upgrade-bind-pkcs11-utils
  • redhat-upgrade-bind-pkcs11-utils-debuginfo
  • redhat-upgrade-bind-sdb
  • redhat-upgrade-bind-sdb-chroot
  • redhat-upgrade-bind-sdb-debuginfo
  • redhat-upgrade-bind-utils
  • redhat-upgrade-bind-utils-debuginfo
  • redhat-upgrade-python3-bind

References

  • DSA-4909
  • CVE-2021-25215
  • RHSA-2021:1469
  • RHSA-2021:1477
  • RHSA-2021:1478
  • RHSA-2021:1989
  • RHSA-2021:2024
  • RHSA-2021:2028
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