CVE-2023-50387

Name
CVE-2023-50387
Description
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cve@mitre.org https://datatracker.ietf.org/doc/html/rfc4035
cve@mitre.org https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-01.html
cve@mitre.org https://kb.isc.org/docs/cve-2023-50387
cve@mitre.org https://news.ycombinator.com/item?id=39367411
cve@mitre.org https://nlnetlabs.nl/news/2024/Feb/13/unbound-1.19.1-released/
cve@mitre.org https://www.athene-center.de/aktuelles/key-trap
cve@mitre.org https://www.isc.org/blogs/2024-bind-security-release/
cve@mitre.org https://www.securityweek.com/keytrap-dns-attack-could-disable-large-parts-of-internet-researchers/
cve@mitre.org https://www.theregister.com/2024/02/13/dnssec_vulnerability_internet/
cve@mitre.org https://news.ycombinator.com/item?id=39372384
cve@mitre.org https://gitlab.nic.cz/knot/knot-resolver/-/releases/v5.7.1
cve@mitre.org https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2024q1/017430.html
cve@mitre.org https://access.redhat.com/security/cve/CVE-2023-50387
cve@mitre.org https://bugzilla.suse.com/show_bug.cgi?id=1219823
cve@mitre.org https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-50387
cve@mitre.org https://www.athene-center.de/fileadmin/content/PDF/Technical_Report_KeyTrap.pdf
mailing-list http://www.openwall.com/lists/oss-security/2024/02/16/2
mailing-list http://www.openwall.com/lists/oss-security/2024/02/16/3
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVYA42BLXUCIDLD35YIJPJSHDIADNYMP/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/
mailing-list https://lists.debian.org/debian-lts-announce/2024/02/msg00006.html
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEXGOYGW7DBS3N2QSSQONZ4ENIRQEAPG/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQESRWMJCF4JEYJEAKLRM6CT55GLJAB7/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FV5O347JTX7P5OZA6NGO4MKTXRXMKOZ/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IGSLGKUAQTW5JPPZCMF5YPEYALLRUZZ6/
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/
cve@mitre.org https://security.netapp.com/advisory/ntap-20240307-0007/
mailing-list https://lists.debian.org/debian-lts-announce/2024/05/msg00011.html
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2024/11/msg00035.html
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2024/09/msg00001.html
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BUIP7T7Z4T3UHLXFWG6XIVDP4GYPD3AI/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/

Match rules

CPE URI Source package Min version Max version
n/a == n/a == n/a

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
bind edge-main 9.18.24-r0 Mike Crute <mike@crute.us> fixed
dnsmasq edge-main 2.90-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
unbound edge-main 1.19.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
knot-resolver edge-community 5.7.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
pdns-recursor edge-community 5.0.2-r0 Peter van Dijk <peter.van.dijk@powerdns.com> fixed
bind 3.22-main 9.18.24-r0 None fixed
dnsmasq 3.22-main 2.90-r0 None fixed
unbound 3.22-main 1.19.1-r0 None fixed
knot-resolver 3.22-community 5.7.1-r0 None fixed
pdns-recursor 3.22-community 5.0.2-r0 None fixed
bind 3.21-main 9.18.24-r0 None fixed
dnsmasq 3.21-main 2.90-r0 None fixed
unbound 3.21-main 1.19.1-r0 None fixed
knot-resolver 3.21-community 5.7.1-r0 None fixed
pdns-recursor 3.21-community 5.0.2-r0 None fixed
bind 3.20-main 9.18.24-r0 None fixed
dnsmasq 3.20-main 2.90-r0 None fixed
unbound 3.20-main 1.19.1-r0 None fixed
knot-resolver 3.20-community 5.7.1-r0 None fixed
pdns-recursor 3.20-community 5.0.2-r0 None fixed
bind 3.19-main 9.18.24-r0 None fixed
dnsmasq 3.19-main 2.90-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
unbound 3.19-main 1.19.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
knot-resolver 3.19-community 5.7.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
pdns-recursor 3.19-community 4.9.3-r0 Peter van Dijk <peter.van.dijk@powerdns.com> fixed
bind 3.18-main 9.18.24-r0 Mike Crute <mike@crute.us> fixed
dnsmasq 3.18-main 2.90-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
unbound 3.18-main 1.19.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed
bind 3.17-main 9.18.24-r0 None fixed
dnsmasq 3.17-main 2.90-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
unbound 3.17-main 1.19.1-r0 Jakub Jirutka <jakub@jirutka.cz> fixed