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centosCentOS ProjectCESA-2021:1469
HistoryApr 29, 2021 - 6:00 p.m.

bind security update

2021-04-2918:00:19
CentOS Project
lists.centos.org
137
centos
bind
security update
dns
cve-2021-25215
cvss score

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.067

Percentile

93.9%

JSON

CentOS Errata and Security Advisory CESA-2021:1469

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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-April/086104.html

Affected packages:
bind
bind-chroot
bind-devel
bind-export-devel
bind-export-libs
bind-libs
bind-libs-lite
bind-license
bind-lite-devel
bind-pkcs11
bind-pkcs11-devel
bind-pkcs11-libs
bind-pkcs11-utils
bind-sdb
bind-sdb-chroot
bind-utils

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:1469

OSVersionArchitecturePackageVersionFilename
CentOS7x86_64bind< 9.11.4-26.P2.el7_9.5bind-9.11.4-26.P2.el7_9.5.x86_64.rpm
CentOS7x86_64bind-chroot< 9.11.4-26.P2.el7_9.5bind-chroot-9.11.4-26.P2.el7_9.5.x86_64.rpm
CentOS7i686bind-devel< 9.11.4-26.P2.el7_9.5bind-devel-9.11.4-26.P2.el7_9.5.i686.rpm
CentOS7x86_64bind-devel< 9.11.4-26.P2.el7_9.5bind-devel-9.11.4-26.P2.el7_9.5.x86_64.rpm
CentOS7i686bind-export-devel< 9.11.4-26.P2.el7_9.5bind-export-devel-9.11.4-26.P2.el7_9.5.i686.rpm
CentOS7x86_64bind-export-devel< 9.11.4-26.P2.el7_9.5bind-export-devel-9.11.4-26.P2.el7_9.5.x86_64.rpm
CentOS7i686bind-export-libs< 9.11.4-26.P2.el7_9.5bind-export-libs-9.11.4-26.P2.el7_9.5.i686.rpm
CentOS7x86_64bind-export-libs< 9.11.4-26.P2.el7_9.5bind-export-libs-9.11.4-26.P2.el7_9.5.x86_64.rpm
CentOS7i686bind-libs< 9.11.4-26.P2.el7_9.5bind-libs-9.11.4-26.P2.el7_9.5.i686.rpm
CentOS7x86_64bind-libs< 9.11.4-26.P2.el7_9.5bind-libs-9.11.4-26.P2.el7_9.5.x86_64.rpm
Rows per page:
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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.067

Percentile

93.9%

JSON
Related for CESA-2021:1469
redhatcve1openvas40osv7cbl_mariner1nessus66ibm8redhat10oraclelinux3veracode1nvd1ubuntucve1almalinux1amazon2cvelist1f51alpinelinux1debiancve1aix1prion1rocky1cve1fedora4suse2altlinux3debian3redos24archlinux1ubuntu1slackware1cloudlinux1photon8mageia1