Bug 2089711 (CVE-2022-1809)

Summary:	CVE-2022-1809 radare2: use of uninitialized function pointer
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
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:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-24 13:13:44 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:	2089713, 2089714
Bug Blocks:

Description Marian Rehak 2022-05-24 10:00:52 UTC

When providing a crafted input binary to radare2, the context->read_addr function pointer is never initialized before use. This is due to the switch statement responsible for the assignment not finding a matching value for its switch cases.

Reference:

https://huntr.dev/bounties/0730a95e-c485-4ff2-9a5d-bb3abfda0b17
https://github.com/radareorg/radare2/commit/919e3ac1a13f753c73e7a8e8d8bb4a143218732d

Comment 1 Marian Rehak 2022-05-24 10:03:13 UTC

Created radare2 tracking bugs for this issue:

Affects: epel-all [bug 2089714]
Affects: fedora-all [bug 2089713]

Comment 2 Product Security DevOps Team 2022-05-24 13:13:42 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.