Bug 2130280

Summary:	aeson: Possible DoS due to hash collision
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	petersen
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ghc-aeson 2.0.1.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-09-27 17:40:51 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:	2130281, 2130282
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2022-09-27 17:03:50 UTC

The aeson library is vulnerable to DoS due to hash collision via a specially crafted input.

References:
https://cs-syd.eu/posts/2021-09-11-json-vulnerability
https://github.com/haskell/aeson/issues/864

Comment 1 Guilherme de Almeida Suckevicz 2022-09-27 17:04:17 UTC

Created ghc-aeson tracking bugs for this issue:

Affects: epel-all [bug 2130282]
Affects: fedora-all [bug 2130281]

Comment 2 Guilherme de Almeida Suckevicz 2022-09-27 17:40:51 UTC


*** This bug has been marked as a duplicate of bug 2004547 ***