CVE-2019-10190
Published Jul 16, 2019
Last updated 7 months ago
Overview
- 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.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity
- HIGH
CVSS 3.0
- Type
- Secondary
- Base score
- 5.4
- Impact score
- 2.5
- Exploitability score
- 2.8
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:P/A:N
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9B78C5ED-E97D-43E8-9393-AFDF4C259C27",
"versionEndIncluding": "3.2.0"
},
{
"criteria": "cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0EE2DAAA-1470-4AC9-B1B5-FF7297F2C2EE",
"versionEndExcluding": "4.1.0",
"versionStartIncluding": "4.0.0"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419"
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3"
}
],
"operator": "OR"
}
]
}
]