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Test ID:1.3.6.1.4.1.25623.1.1.18.2.2024.1991.1
Category:openSUSE Local Security Checks
Title:openSUSE Security Advisory (SUSE-SU-2024:1991-1)
Summary:The remote host is missing an update for the 'unbound' package(s) announced via the SUSE-SU-2024:1991-1 advisory.
Description:Summary:
The remote host is missing an update for the 'unbound' package(s) announced via the SUSE-SU-2024:1991-1 advisory.

Vulnerability Insight:
* CVE-2023-50387: DNSSEC verification complexity can be
exploited to exhaust CPU resources and stall DNS resolvers. [bsc#1219823]
* CVE-2023-50868: NSEC3 closest encloser proof can exhaust CPU.
[bsc#1219826]
* CVE-2022-30698: Novel 'ghost domain names' attack by
introducing subdomain delegations. [bsc#1202033]
* CVE-2022-30699: Novel 'ghost domain names' attack by
updating almost expired delegation information. [bsc#1202031]
* CVE-2022-3204: NRDelegation attack leads to uncontrolled
resource consumption (Non-Responsive Delegation Attack). [bsc#1203643]

Packaging Changes:

* Use prefixes instead of sudo in unbound.service
* Remove no longer necessary BuildRequires: libfstrm-devel and
libprotobuf-c-devel

Affected Software/OS:
'unbound' package(s) on openSUSE Leap 15.5.

Solution:
Please install the updated package(s).

CVSS Score:
7.8

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2022-30698
https://www.nlnetlabs.nl/downloads/unbound/CVE-2022-30698_CVE-2022-30699.txt
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D35CX4SCZVNKZTWJXPDFTHWZHINMGEZD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5L3ZFWZZFPBIL654BG75RWXUMPFQJ5EC/
https://security.gentoo.org/glsa/202212-02
https://lists.debian.org/debian-lts-announce/2023/03/msg00024.html
Common Vulnerability Exposure (CVE) ID: CVE-2022-30699
Common Vulnerability Exposure (CVE) ID: CVE-2022-3204
https://www.nlnetlabs.nl/downloads/unbound/CVE-2022-3204.txt
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3G2HS6CYPSIGAKO6QLEZPG3RD6AMPB7B/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/35QGS5FBQTG3DBSK7QV67PA64P24ABHY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4S4EU6DMJXQFMAIE6SLAH4H5RNRU6VQL/
Common Vulnerability Exposure (CVE) ID: CVE-2023-50387
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVYA42BLXUCIDLD35YIJPJSHDIADNYMP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQESRWMJCF4JEYJEAKLRM6CT55GLJAB7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEXGOYGW7DBS3N2QSSQONZ4ENIRQEAPG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6FV5O347JTX7P5OZA6NGO4MKTXRXMKOZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IGSLGKUAQTW5JPPZCMF5YPEYALLRUZZ6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
https://access.redhat.com/security/cve/CVE-2023-50387
https://bugzilla.suse.com/show_bug.cgi?id=1219823
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-01.html
https://gitlab.nic.cz/knot/knot-resolver/-/releases/v5.7.1
https://kb.isc.org/docs/cve-2023-50387
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387
https://news.ycombinator.com/item?id=39367411
https://news.ycombinator.com/item?id=39372384
https://nlnetlabs.nl/news/2024/Feb/13/unbound-1.19.1-released/
https://www.athene-center.de/aktuelles/key-trap
https://www.athene-center.de/fileadmin/content/PDF/Technical_Report_KeyTrap.pdf
https://www.isc.org/blogs/2024-bind-security-release/
https://www.securityweek.com/keytrap-dns-attack-could-disable-large-parts-of-internet-researchers/
https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/
https://lists.debian.org/debian-lts-announce/2024/02/msg00006.html
https://lists.debian.org/debian-lts-announce/2024/05/msg00011.html
http://www.openwall.com/lists/oss-security/2024/02/16/2
http://www.openwall.com/lists/oss-security/2024/02/16/3
Common Vulnerability Exposure (CVE) ID: CVE-2023-50868
https://access.redhat.com/security/cve/CVE-2023-50868
https://bugzilla.suse.com/show_bug.cgi?id=1219826
https://datatracker.ietf.org/doc/html/rfc5155
https://kb.isc.org/docs/cve-2023-50868
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