CVE-2020-12667

Name
CVE-2020-12667
Description
Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS 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
Technical Description https://en.blog.nic.cz/2020/05/19/nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack/
Release Notes https://www.knot-resolver.cz/2020-05-19-knot-resolver-5.1.1.html
mailing-list http://www.openwall.com/lists/oss-security/2020/05/19/2
Technical Description http://cyber-security-group.cs.tau.ac.il/#
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ/
mailing-list https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html
vendor-advisory https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ/

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
knot-resolver edge-community 5.1.1-r0 None fixed
knot-resolver 3.22-community 5.1.1-r0 None fixed
knot-resolver 3.21-community 5.1.1-r0 None fixed
knot-resolver 3.20-community 5.1.1-r0 None fixed
knot-resolver 3.19-community 5.1.1-r0 None fixed
knot-resolver 3.18-community 5.1.1-r0 None fixed
knot-resolver 3.17-community 5.1.1-r0 None fixed