Bug 2023296 (CVE-2020-23884)

Summary:	CVE-2020-23884 nomacs: buffer overflow via crafted MNG file may lead to DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ti.eugene
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-15 12:30:39 UTC	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:	2023297
Bug Blocks:

Description Marian Rehak 2021-11-15 11:55:04 UTC

A buffer overflow in Nomacs v3.15.0 allows attackers to cause a denial of service (DoS) via a crafted MNG file.

References:

https://github.com/nomacs/nomacs/issues/516
https://github.com/Aurorainfinity/vulnerabilities/blob/master/nomacs/readme.md

Comment 1 Marian Rehak 2021-11-15 11:55:17 UTC

Created nomacs tracking bugs for this issue:

Affects: fedora-all [bug 2023297]

Comment 2 Product Security DevOps Team 2021-11-15 12:30:37 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.