Bug 1792292 (CVE-2019-20020)

Summary:	CVE-2019-20020 matio: stack-based buffer overflow in ReadNextStructField 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 UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	c.david86, 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:	2020-01-17 14:09:37 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:	1792294, 1792295, 1792296
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-01-17 13:41:57 UTC

A stack-based buffer over-read was discovered in ReadNextStructField in mat5.c in matio 1.5.17.

Reference:
https://github.com/tbeu/matio/issues/128

Comment 1 Guilherme de Almeida Suckevicz 2020-01-17 13:42:52 UTC

Created matio tracking bugs for this issue:

Affects: epel-6 [bug 1792294]
Affects: epel-7 [bug 1792295]
Affects: fedora-all [bug 1792296]

Comment 2 Product Security DevOps Team 2020-01-17 14:09:37 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.