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CentOS Linux: CVE-2023-50387: Important: bind, bind-dyndb-ldap, and dhcp security update (CESA-2024:3741)

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CentOS Linux: CVE-2023-50387: Important: bind, bind-dyndb-ldap, and dhcp security update (CESA-2024:3741)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
02/14/2024
Created
06/12/2024
Added
06/11/2024
Modified
01/28/2025

Description

Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.

Solution(s)

  • centos-upgrade-bind
  • centos-upgrade-bind-chroot
  • centos-upgrade-bind-debuginfo
  • centos-upgrade-bind-devel
  • centos-upgrade-bind-dyndb-ldap
  • centos-upgrade-bind-dyndb-ldap-debuginfo
  • centos-upgrade-bind-export-devel
  • centos-upgrade-bind-export-libs
  • centos-upgrade-bind-libs
  • centos-upgrade-bind-libs-lite
  • centos-upgrade-bind-license
  • centos-upgrade-bind-lite-devel
  • centos-upgrade-bind-pkcs11
  • centos-upgrade-bind-pkcs11-devel
  • centos-upgrade-bind-pkcs11-libs
  • centos-upgrade-bind-pkcs11-utils
  • centos-upgrade-bind-sdb
  • centos-upgrade-bind-sdb-chroot
  • centos-upgrade-bind-utils
  • centos-upgrade-dhclient
  • centos-upgrade-dhcp
  • centos-upgrade-dhcp-common
  • centos-upgrade-dhcp-debuginfo
  • centos-upgrade-dhcp-devel
  • centos-upgrade-dhcp-libs

References

  • CVE-2023-50387
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