Alpine Linux Development TeamALPINE:CVE-2020-12667CVE-2020-12667
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.0%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Alpine | edge-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.11-community | noarch | knot-resolver | < 4.3.0-r3 | UNKNOWN |
| Alpine | 3.12-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.13-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.14-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.15-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.16-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.17-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.18-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
| Alpine | 3.19-community | noarch | knot-resolver | < 5.1.1-r0 | UNKNOWN |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
82.0%