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Red Hat: RHSA-2022:8062 Moderate: Unbound Ghost Domain Attacks

red hat
Calendar Grey November 15, 2022
Dist Redhat Esm H88
Ubuntu has issued a Moderate security alert regarding unvalued domain threats and vulnerabilities for version 22.04.
An update for unbound is now available for Red Hat Enterprise Linux 9

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#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.

Topics%20covered

Topics Covered

security advisory update security fix moderate impact Red Hat Enterprise unbound DNS ghost domain attack

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

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

Read the Full Advisory


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

Topic

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 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 update security fix moderate impact Red Hat Enterprise unbound DNS ghost domain attack

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

Bugs Fixed

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]

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