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

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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== 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. -----BEGIN PGP SIGNATURE----- Version: GnuPGv1 iQIVAwUBY3PhMdzjgjWX9erEAQi2qg/+JsLmnjmeg2U0b5tZnC5duXL1O4iNyIwm V8y6hDiGaY2Iubih0SO29gLZYG3sN+dJdsspe8Vv9OqJso2Gm5J2gjgKZXxe6qZW GUKcMRpwG+jM5RSBv9uogsW63tD0YQfIZbFRBJy0BE9TMRFtgHveseKG+OlLKFOP 2h/SbYILATEZA1Lw/c9KIDBOLB7wNny+Qrg46U1cU9ZH1oN9pOUGjBxH6VfkUA6S SItza5DGOnKGbAOVFS79Y+MSCCGjXgIyY38y8mr8PkOh00d7eZ+13JwKnDaPfnxH vVdo30jh9Tfs/LX0c+nn3IKyv3h9y2DtMEpxKnI927YRu4WPM9erSrxOX80KrJ+L ENkVeb3YdkT+OqV3wvK9JblW8iDwlGSb0jC9LaWUx5An5hUqMKRoXydkKWTnC3Cp 4fofXWhWnqKQfRwHdx1rVhRuR/x2iG8VY7TvvRNocNb4YW4ilq+dIX0Q++iltna7 9V1vScJm3mINkqyU4uL2AJJhoDdcPpElvwcxTiRkg7FCn7BO9gj9mxHzO3xZu3RN FShTo5J2XIf8a1gtMMHV8C8F7BsAgV7oTMSGlqSLgmx0BKiis/FtO5I2C6Unn/Ac Sal3wXzA64ZPyHHDOeRsz0FFkhAMDB6SZzbCuvkaNLaga6z7NTvNaifkXvlnbib3 QoahqRtuado=Wd6S -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . Ubuntu has issued a Moderate security alert regarding unvalued domain threats and vulnerabilities for version 22.04.. unbound update, Red Hat Enterprise, security advisory, DNS resolver, moderate impact. . LinuxSecurity.com Team

Nov 15, 2022 Red Hat