vulnerability
Ubuntu: USN-7047-1 (CVE-2019-10190): Knot Resolver vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:P/A:N) | Jul 16, 2019 | Oct 2, 2024 | Aug 18, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
Jul 16, 2019
Added
Oct 2, 2024
Modified
Aug 18, 2025
Description
A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.
Solution
ubuntu-upgrade-knot-resolver
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