QID 241122

Date Published: 2023-01-25

QID 241122: Red Hat Update for bind (RHSA-2023:0402)

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: dns forwarders - cache poisoning vulnerability (cve-2021-25220).
    Bind: processing large delegations may severely degrade resolver performance (cve-2022-2795).
Affected Products:
    Red Hat enterprise linux server 7 x86_64.
    Red hat enterprise linux workstation 7 x86_64.
    Red hat enterprise linux desktop 7 x86_64.
    Red hat enterprise linux for ibm z systems 7 s390x.
    Red hat enterprise linux for power, big endian 7 ppc64.
    Red hat enterprise linux for scientific computing 7 x86_64.
    Red hat enterprise linux for power, little endian 7 ppc64le.
.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 4 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2023:0402 for updates and patch information.
    Vendor References

    CVEs related to QID 241122

    CVE-2021-25220 | CVE-2022-2795 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2023:0402 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2023:0402
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