Bug 1985239 (CVE-2020-36428)

Summary:	CVE-2020-36428 matio: heap-based buffer overflow in ReadInt32DataDouble
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gwync, lupinix.fedora
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:	2021-07-23 09:55:00 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	1985241, 1985240
Bug Blocks:

Description Marian Rehak 2021-07-23 08:39:10 UTC

matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow in ReadInt32DataDouble (called from ReadInt32Data and Mat_VarRead4).

Reference:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21421
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2020-799.yaml

Comment 1 Marian Rehak 2021-07-23 08:39:41 UTC

Created matio tracking bugs for this issue:

Affects: epel-all [bug 1985241]
Affects: fedora-all [bug 1985240]

Comment 2 Product Security DevOps Team 2021-07-23 09:55:00 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.