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Red Hat Product Errata RHSA-2021:1476 - Security Advisory
Issued:
2021-05-03
Updated:
2021-05-03

RHSA-2021:1476 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: bind security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for bind is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

Security Fix(es):

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

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, the BIND daemon (named) will be restarted automatically.

Affected Products

  • Red Hat Enterprise Linux Server - AUS 7.2 x86_64

Fixes

  • BZ - 1953857 - 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

CVEs

  • CVE-2021-25215

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 7.2

SRPM
bind-9.9.4-29.el7_2.11.src.rpm SHA-256: 15d8db9edeed7cc0ec5cd73ba4d77d76ca2567f22d42bc315bcfa9a430da602c
x86_64
bind-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: d3200cdb35af184a2c3376c824f74c7590dd32c937054fc620d4e5006bc2a4a5
bind-chroot-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: c9020bee042a2e5f2a0873ee8cd28b49137df21d814bd0ac87ddf8c6d01c84e6
bind-debuginfo-9.9.4-29.el7_2.11.i686.rpm SHA-256: 1b7e79b3d2bf9ef814bf2f2ae9cebfd9c757b233ae55bb5af8dbc5180300d741
bind-debuginfo-9.9.4-29.el7_2.11.i686.rpm SHA-256: 1b7e79b3d2bf9ef814bf2f2ae9cebfd9c757b233ae55bb5af8dbc5180300d741
bind-debuginfo-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: bb47b8607d1ad11cea690ee5558cb19566f0ae5037ff35b159d2c5fad01c9658
bind-debuginfo-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: bb47b8607d1ad11cea690ee5558cb19566f0ae5037ff35b159d2c5fad01c9658
bind-devel-9.9.4-29.el7_2.11.i686.rpm SHA-256: 3360d7b92bf372fdac3b903aa1eff9ce648d8ed7a465ea7452e8cd5a09e3e3e0
bind-devel-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: 1dd1a8bf0fe50b869f79f731204d3d4b933e4f6fe61556ae1fd0909a76d6e9e8
bind-libs-9.9.4-29.el7_2.11.i686.rpm SHA-256: 98c5242a4953aafe784ac2fd9b4510f03b286ee7c3d3e53435b5d6f4323fbbb5
bind-libs-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: 5f75320e0b35d368b81f1359f61f4ac40426c3552f0898869d60b87d6937f2fc
bind-libs-lite-9.9.4-29.el7_2.11.i686.rpm SHA-256: 4ff1801985a3bc867cf652bdd19876e1276336016fc488f8f5edad431621ebb7
bind-libs-lite-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: 6d2d9a68bcd6b8d2a03f4da250b9058d269353a4ce56c56f43b72911863f6a26
bind-license-9.9.4-29.el7_2.11.noarch.rpm SHA-256: 7ac00e66b6df5b435004142aa90ec349b46e77f873577b12f47423ae506515c7
bind-lite-devel-9.9.4-29.el7_2.11.i686.rpm SHA-256: 7be098ac879159a7b8219c1fc1edc3ab47728ee0fe643ae103aafc04829ff1db
bind-lite-devel-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: 43f13af0915977be71c1e171b6b9a722e7b20763c4dbc3e92b15ab2787b8ec0e
bind-pkcs11-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: 33d13171c691e875da74f0127a921c43f6e1801de32dddfd4a3d9db2516bf77d
bind-pkcs11-devel-9.9.4-29.el7_2.11.i686.rpm SHA-256: 3159fae04bace0686deb7c283c98173dac8e3c0359e1c1cb90716f7b3e04284c
bind-pkcs11-devel-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: 05987796d0c149478a81abdddb8ae2639d0b4780fe546d2d5fb2943ac9a37688
bind-pkcs11-libs-9.9.4-29.el7_2.11.i686.rpm SHA-256: fd7cd48aeb9821d19f77b6f61e1920cbe176f746c523e85abbcaecf2edb856cd
bind-pkcs11-libs-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: b1149069522cb669d18dbfa5b9e886b1fff4001a68f6926cc458db557d5489ef
bind-pkcs11-utils-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: ce319800276938b866f27e54d378b30158b47c7c206353046ae4fc3c3839f065
bind-sdb-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: ad4755f95dcd572c4c5d11f1533e872287864ff656d159bca10680df762a3b4b
bind-sdb-chroot-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: e009758686d781b8603b58fe78e97cca970a83a9931b2bb1ad1dca66a9c7bbfc
bind-utils-9.9.4-29.el7_2.11.x86_64.rpm SHA-256: 9deb4532cc1297d687f9a493c8fe780b75e5c051e4fbfbdc67a3a7dae7ae3a5e

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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