Red Hat 8929 Published by

An unbound security, bug fix, and enhancement update has been released for Red Hat Enterprise Linux 9.



RHSA-2022:8062-01: Moderate: unbound security, bug fix, and enhancement update



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Red Hat Security Advisory

Synopsis: Moderate: unbound security, bug fix, and enhancement update
Advisory ID: RHSA-2022:8062-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2022:8062
Issue date: 2022-11-15
CVE Names: CVE-2022-30698 CVE-2022-30699
=====================================================================

1. Summary:

An update for unbound is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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.

2. Relevant releases/architectures:

Red Hat CodeReady Linux Builder (v. 9) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

The unbound packages provide a validating, recursive, and caching DNS or
DNSSEC resolver.

The following packages have been upgraded to a later upstream version:
unbound (1.16.2). (BZ#2087120)

Security Fix(es):

* unbound: novel ghost domain attack that allows attackers to trigger
continued resolvability of malicious domain names (CVE-2022-30698)

* unbound: novel ghost domain attack that allows attackers to trigger
continued resolvability of malicious domain names (CVE-2022-30699)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 9.1 Release Notes linked from the References section.

4. 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

5. Bugs fixed (  https://bugzilla.redhat.com/):

1981415 - unbound: don't use deprecated functions in OpenSSL 3.0
2056116 - unbound-devel is not available on Centos 9 Stream
2071543 - Unbound fails resolution of any SHA-1 signed domain [rhel-9.1.0]
2071943 - failing devel man pages for rhel 9
2079548 - [unbound: FIPS mode] does not resolve ED25519 and ED448
2087120 - [rebase] Rebase to 1.16.0
2094336 - unbound-keygen needs to be stoped
2116725 - CVE-2022-30698 unbound: novel ghost domain attack that allows attackers to trigger continued resolvability of malicious domain names
2116729 - CVE-2022-30699 unbound: novel ghost domain attack that allows attackers to trigger continued resolvability of malicious domain names
2116802 - unbound-keygen requires openssl [rhel9]

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
unbound-1.16.2-2.el9.src.rpm

aarch64:
python3-unbound-1.16.2-2.el9.aarch64.rpm
python3-unbound-debuginfo-1.16.2-2.el9.aarch64.rpm
unbound-1.16.2-2.el9.aarch64.rpm
unbound-debuginfo-1.16.2-2.el9.aarch64.rpm
unbound-debugsource-1.16.2-2.el9.aarch64.rpm
unbound-libs-1.16.2-2.el9.aarch64.rpm
unbound-libs-debuginfo-1.16.2-2.el9.aarch64.rpm

ppc64le:
python3-unbound-1.16.2-2.el9.ppc64le.rpm
python3-unbound-debuginfo-1.16.2-2.el9.ppc64le.rpm
unbound-1.16.2-2.el9.ppc64le.rpm
unbound-debuginfo-1.16.2-2.el9.ppc64le.rpm
unbound-debugsource-1.16.2-2.el9.ppc64le.rpm
unbound-libs-1.16.2-2.el9.ppc64le.rpm
unbound-libs-debuginfo-1.16.2-2.el9.ppc64le.rpm

s390x:
python3-unbound-1.16.2-2.el9.s390x.rpm
python3-unbound-debuginfo-1.16.2-2.el9.s390x.rpm
unbound-1.16.2-2.el9.s390x.rpm
unbound-debuginfo-1.16.2-2.el9.s390x.rpm
unbound-debugsource-1.16.2-2.el9.s390x.rpm
unbound-libs-1.16.2-2.el9.s390x.rpm
unbound-libs-debuginfo-1.16.2-2.el9.s390x.rpm

x86_64:
python3-unbound-1.16.2-2.el9.x86_64.rpm
python3-unbound-debuginfo-1.16.2-2.el9.i686.rpm
python3-unbound-debuginfo-1.16.2-2.el9.x86_64.rpm
unbound-1.16.2-2.el9.x86_64.rpm
unbound-debuginfo-1.16.2-2.el9.i686.rpm
unbound-debuginfo-1.16.2-2.el9.x86_64.rpm
unbound-debugsource-1.16.2-2.el9.i686.rpm
unbound-debugsource-1.16.2-2.el9.x86_64.rpm
unbound-libs-1.16.2-2.el9.i686.rpm
unbound-libs-1.16.2-2.el9.x86_64.rpm
unbound-libs-debuginfo-1.16.2-2.el9.i686.rpm
unbound-libs-debuginfo-1.16.2-2.el9.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 9):

aarch64:
python3-unbound-debuginfo-1.16.2-2.el9.aarch64.rpm
unbound-debuginfo-1.16.2-2.el9.aarch64.rpm
unbound-debugsource-1.16.2-2.el9.aarch64.rpm
unbound-devel-1.16.2-2.el9.aarch64.rpm
unbound-libs-debuginfo-1.16.2-2.el9.aarch64.rpm

ppc64le:
python3-unbound-debuginfo-1.16.2-2.el9.ppc64le.rpm
unbound-debuginfo-1.16.2-2.el9.ppc64le.rpm
unbound-debugsource-1.16.2-2.el9.ppc64le.rpm
unbound-devel-1.16.2-2.el9.ppc64le.rpm
unbound-libs-debuginfo-1.16.2-2.el9.ppc64le.rpm

s390x:
python3-unbound-debuginfo-1.16.2-2.el9.s390x.rpm
unbound-debuginfo-1.16.2-2.el9.s390x.rpm
unbound-debugsource-1.16.2-2.el9.s390x.rpm
unbound-devel-1.16.2-2.el9.s390x.rpm
unbound-libs-debuginfo-1.16.2-2.el9.s390x.rpm

x86_64:
python3-unbound-debuginfo-1.16.2-2.el9.i686.rpm
python3-unbound-debuginfo-1.16.2-2.el9.x86_64.rpm
unbound-debuginfo-1.16.2-2.el9.i686.rpm
unbound-debuginfo-1.16.2-2.el9.x86_64.rpm
unbound-debugsource-1.16.2-2.el9.i686.rpm
unbound-debugsource-1.16.2-2.el9.x86_64.rpm
unbound-devel-1.16.2-2.el9.i686.rpm
unbound-devel-1.16.2-2.el9.x86_64.rpm
unbound-libs-debuginfo-1.16.2-2.el9.i686.rpm
unbound-libs-debuginfo-1.16.2-2.el9.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
  https://access.redhat.com/security/team/key/

7. References:

  https://access.redhat.com/security/cve/CVE-2022-30698
  https://access.redhat.com/security/cve/CVE-2022-30699
  https://access.redhat.com/security/updates/classification/#moderate
  https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index

8. Contact:

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

Copyright 2022 Red Hat, Inc.