Detections
Analytics

Alpine: multiple knot-resolver packages: security update to 4.1.0-r0

high Tenable Cloud Security Plugin ID 405080

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - 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. (CVE-2019-10190)

 - A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote
 attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain
 hijack using attacks against insecure DNS protocol. (CVE-2019-10191)

See Also

https://security.alpinelinux.org/vuln/CVE-2019-10190

https://security.alpinelinux.org/vuln/CVE-2019-10191

Plugin Details

Severity: High

ID: 405080

Version: Revision 1.31

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2019-10191

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/10/2019

Reference Information

CVE: CVE-2019-10190, CVE-2019-10191