Bug 1985509 (CVE-2020-19497)

Summary:	CVE-2020-19497 matio: integer overflow Mat_VarReadNextInfo5() in mat5.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	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
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Clone Of:		Environment:
Last Closed:	2021-10-28 05:30:34 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1985510
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2021-07-23 18:46:55 UTC

Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.

Reference:
https://github.com/tbeu/matio/issues/121

Upstream patch:
https://github.com/tbeu/matio/commit/5fa49ef9fc4368fe3d19b5fdaa36d8fa5e7f4606

Comment 1 Guilherme de Almeida Suckevicz 2021-07-23 18:47:09 UTC

Created matio tracking bugs for this issue:

Affects: fedora-all [bug 1985510]