CVE-2019-10190
CVSS V2 Medium 5
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2019-10190
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2019-07-16T18:15:12
- Last Modified Date
- 2023-02-12T23:33:33
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:* | 1 | OR | 3.2.0 | |
| cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:* | 1 | OR | 4.0.0 | 4.1.0 |
| cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10190 | Issue Tracking Third Party Advisory |
| https://www.knot-resolver.cz/2019-07-10-knot-resolver-4.1.0.html | Release Notes Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VZV5YZZ5766UIG2TFLFJL6EESQNAP5X5/ | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMSSWBHINIX4WE6UDXWM66L7JYEK6XS6/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-10190 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10190 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:49:25 | Added to TrackCVE | |||
| 2022-12-03 23:22:36 | 2019-07-16T18:15Z | 2019-07-16T18:15:12 | CVE Published Date | updated |
| 2022-12-03 23:22:36 | 2021-10-28T12:15:21 | CVE Modified Date | updated | |
| 2022-12-03 23:22:36 | Analyzed | Vulnerability Status | updated | |
| 2023-02-13 01:09:24 | 2023-02-12T23:33:33 | CVE Modified Date | updated | |
| 2023-02-13 01:09:24 | Analyzed | Modified | Vulnerability Status | updated |