Bug 1947019 (CVE-2021-20313)

Summary:	CVE-2021-20313 ImageMagick: Cipher leak when the calculating signatures in TransformSignatureof MagickCore/signature.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	fedora, jhorak, mike, pahan
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ImageMagick 7.0.11	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in ImageMagick. A potential cipher leak when the calculate signatures in TransformSignature is possible. The highest threat from this vulnerability is to data confidentiality.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-02 23:28:36 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:	1947020, 1947021, 1947266
Bug Blocks:	1946747, 1946749

Description Pedro Sampaio 2021-04-07 14:00:14 UTC

Potential cipher leak when the calculate signatures in TransformSignature in MagickCore/signature.c in ImageMagick before version 7.0.11.

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/70aa86f5d5d8aa605a918ed51f7574f433a18482

Comment 1 Pedro Sampaio 2021-04-07 14:00:59 UTC

Created ImageMagick tracking bugs for this issue:

Affects: epel-8 [bug 1947020]
Affects: fedora-all [bug 1947021]