Bug 1990084 (CVE-2021-37232)

Summary:	CVE-2021-37232 AtomicParsley: stack-based buffer overflow due to the lack of buffer size of uint32_buffer while reading more bytes in APar_read64()
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:	avibrazil
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:	2021-08-04 19:06:59 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:	1990085
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2021-08-04 17:30:10 UTC

A stack overflow vulnerability occurs in Atomicparsley 20210124.204813.840499f through APar_read64() in src/util.cpp due to the lack of buffer size of uint32_buffer while reading more bytes in APar_read64.

Reference:
https://github.com/wez/atomicparsley/issues/32

Upstream patch:
https://github.com/wez/atomicparsley/commit/d72ccf06c98259d7261e0f3ac4fd8717778782c1

Comment 1 Guilherme de Almeida Suckevicz 2021-08-04 17:30:23 UTC

Created AtomicParsley tracking bugs for this issue:

Affects: fedora-all [bug 1990085]

Comment 2 Product Security DevOps Team 2021-08-04 19:06:59 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.