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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: henrik, rebus
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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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:
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.