CVE-2019-10190

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Source
https://cve.org/CVERecord?id=CVE-2019-10190
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10190.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-10190
Downstream
Published
2019-07-16T18:15:12.087Z
Modified
2026-04-10T04:13:44.036390Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/cz-nic/knot-resolver

Affected ranges

Type
GIT
Repo
https://github.com/cz-nic/knot-resolver
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
839e7c4173d18800fd827eed7fad9afbb08a8135
Introduced
40cdcc0f7d5cb9a767111ae5e5ecd08b26ea8bc4
Fixed
0d2f2faff25dc01dcb676cd3c4242047af705e7a
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.2.0"
        },
        {
            "introduced": "4.0.0"
        },
        {
            "fixed": "4.1.0"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.0.0-beta1
v1.0.0-beta2
v1.0.0-beta3
v1.1.0
v1.1.1
v1.2.0
v1.2.0-rc1
v1.2.0-rc2
v1.2.0-rc3
v1.2.1
v1.2.6
v1.3.0
v1.3.1
v1.3.2
v1.3.3
v1.4.0
v1.5.0
v1.5.1
v2.*
v2.0.0
v2.1.0
v2.1.1
v2.2.0
v2.3.0
v2.4.0
v3.*
v3.0.0
v3.1.0
v3.2.0
v4.*
v4.0.0

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "29"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "30"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10190.json"