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Red Hat Enterprise Linux 8 RHSA-2022:7622 Moderate Unbound Security Fix

red hat
Calendar Grey November 8, 2022
Dist Redhat Esm H88
New untested update released for CentOS Stream 8 targeting system vulnerabilities and resolving various bugs.
An update for unbound is now available for Red Hat Enterprise Linux 8

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

Summary

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#2027735)
Security Fix(es):
* unbound: the novel ghost domain where malicious users to trigger continued resolvability of malicious domain names (CVE-2022-30698)
* unbound: novel ghost domain attack where malicious users 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 8.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue Red Hat bug fix DNS resolver unbound

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://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.7_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: unbound-1.16.2-2.el8.src.rpm
aarch64: python3-unbound-1.16.2-2.el8.aarch64.rpm python3-unbound-debuginfo-1.16.2-2.el8.aarch64.rpm unbound-1.16.2-2.el8.aarch64.rpm unbound-debuginfo-1.16.2-2.el8.aarch64.rpm unbound-debugsource-1.16.2-2.el8.aarch64.rpm unbound-devel-1.16.2-2.el8.aarch64.rpm unbound-libs-1.16.2-2.el8.aarch64.rpm unbound-libs-debuginfo-1.16.2-2.el8.aarch64.rpm
ppc64le: python3-unbound-1.16.2-2.el8.ppc64le.rpm python3-unbound-debuginfo-1.16.2-2.el8.ppc64le.rpm unbound-1.16.2-2.el8.ppc64le.rpm unbound-debuginfo-1.16.2-2.el8.ppc64le.rpm unbound-debugsource-1.16.2-2.el8.ppc64le.rpm unbound-devel-1.16.2-2.el8.ppc64le.rpm unbound-libs-1.16.2-2.el8.ppc64le.rpm unbound-libs-debuginfo-1.16.2-2.el8.ppc64le.rpm
s390x: python3-unbound-1.16.2-2.el8.s390x.rpm python3-unbound-debuginfo-1.16.2-2.el8.s390x.rpm unbound-1.16.2-2.el8.s390x.rpm unbound-debuginfo-1.16.2-2.el8.s390x.rpm unbound-debugsource-1.16.2-2.el8.s390x.rpm unbound-devel-1.16.2-2.el8.s390x.rpm unbound-libs-1.16.2-2.el8.s390x.rpm unbound-libs-debuginfo-1.16.2-2.el8.s390x.rpm
x86_64: python3-unbound-1.16.2-2.el8.x86_64.rpm python3-unbound-debuginfo-1.16.2-2.el8.i686.rpm python3-unbound-debuginfo-1.16.2-2.el8.x86_64.rpm unbound-1.16.2-2.el8.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:7622-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:7622
Issue date: 2022-11-08

Topic

An update for unbound is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security issue Red Hat bug fix DNS resolver unbound

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1959468 - unbound-keygen needs to be stoped

2018806 - unbound-keygen requires openssl [rhel8]

2023549 - unbound support for RFC 8767

2027735 - [RFE] Rebase unbound to latest stable release

2038251 - AVC denials recorded for fsetid while running unbound with local socket, though it (unbound-control) still works!

2081958 - chroot functionality isn't available in unbound-1.7.3 in RHEL8

2116725 - CVE-2022-30698 unbound: the novel ghost domain where malicious users to trigger continued resolvability of malicious domain names

2116729 - CVE-2022-30699 unbound: novel ghost domain attack where malicious users to trigger continued resolvability of malicious domain names

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