Bug 2318862 (CVE-2024-44337)

Summary:	CVE-2024-44337 gomarkdown/markdown: infinite loop via the paragraph function of parser/block.go
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	alcohan, gparvin, jcantril, mwringe, njean, owatkins, pahickey, rhaigner
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the github.com/gomarkdown/markdown Golang library. There is a logical problem with the paragraph function of the parser/block.go file. This flaw allows a remote attacker to trigger a denial of service (DoS) by providing a specially crafted input, causing an infinite loop condition. This issue can cause the program to hang and consume resources indefinitely.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2319554, 2318980
Bug Blocks:

Description OSIDB Bzimport 2024-10-15 20:02:26 UTC

The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion `v0.0.0-20240729232818-a2a9c4f`, which corresponds with commit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252`, there was a logical problem in the paragraph function of the parser/block.go file, which allowed a remote attacker to cause a denial of service (DoS) condition by providing a tailor-made input that caused an infinite loop, causing the program to hang and consume resources indefinitely. Submit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252` contains fixes to this problem.