Bug 1944328 (CVE-2018-1110)

Summary:	CVE-2018-1110 knot-resolver: Denial of service triggered by malformed DNS messages
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dns-sig, jakub.ruzicka, jv+fedora, pspacek, tkrizek, vladimir.cunat
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Knot Resolver 2.3.0	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in knot-resolver. Malformed DNS messages may cause denial of service. The highest threat from this vulnerability is to system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1944324

Description Pedro Sampaio 2021-03-29 18:30:37 UTC

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

References:

https://www.knot-resolver.cz/2018-04-23-knot-resolver-2.3.0.html

Comment 1 Pedro Sampaio 2021-03-29 18:31:29 UTC

External References:

https://www.knot-resolver.cz/2018-04-23-knot-resolver-2.3.0.html

Comment 2 Petr Špaček 2021-03-30 06:06:21 UTC

For my education, what is this? This bug was fixed three years ago - why do we need an open Bugzilla for it now?

Thank you for information.

Comment 3 Pedro Sampaio 2021-03-30 13:36:39 UTC

In reply to comment #2:
> For my education, what is this? This bug was fixed three years ago - why do
> we need an open Bugzilla for it now?
> 
> Thank you for information.

The CVE was assigned by Red Hat so we must have a bug to reference in the publication to Mitre's site.