Bug 1989130 (CVE-2021-3673)

Summary:	CVE-2021-3673 radare2: improper input validation can lead to resource exhaustion when reading LE binary
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:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	henrik, rebus
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A vulnerability was found in Radare2 in version 5.3.1. Improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-08-02 19:07:03 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:	1989136, 1989137
Bug Blocks:	1989159

Description Guilherme de Almeida Suckevicz 2021-08-02 13:56:33 UTC

A vulnerability was found in Radare2 in version 5.3.1. Improper input validation when reading a crafted LE binary can lead to resource exhaustion and DoS.

Reference:
https://github.com/radareorg/radare2/issues/18923

Upstream patch:
https://github.com/radareorg/radare2/commit/d7ea20fb2e1433ebece9f004d87ad8f2377af23d

Comment 1 Guilherme de Almeida Suckevicz 2021-08-02 14:11:33 UTC

Created radare2 tracking bugs for this issue:

Affects: epel-all [bug 1989137]
Affects: fedora-all [bug 1989136]

Comment 2 Product Security DevOps Team 2021-08-02 19:07:03 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.