CVE-2018-1110 : A flaw was found in knot-resolver before version 2.3.0. Malformed DNS messages m

A flaw was found in knot-resolver before version 2.3.0. Malformed DNS messages may cause denial of service.

Published 2021-03-30 02:15:15

Updated 2021-04-02 12:50:34

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Input validationDenial of service

Products affected by CVE-2018-1110

NIC » Knot Resolver
Versions before (<) 2.3.0
cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 40 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: secalert@redhat.com (Primary)

https://bugzilla.redhat.com/show_bug.cgi?id=1944328

1944328 – (CVE-2018-1110) CVE-2018-1110 knot-resolver: Denial of service triggered by malformed DNS messages
Issue Tracking;Third Party Advisory
https://www.knot-resolver.cz/2018-04-23-knot-resolver-2.3.0.html

Knot Resolver 2.3.0 released – Knot Resolver
Release Notes;Vendor Advisory

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