Bug 1864842 (CVE-2020-16269)

Summary:	CVE-2020-16269 radare2: segmentation fault in parse_typedef function in type_dwarf.c via a malformed DW_AT_name in the .debug_info section
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:	rschirone91
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:	2020-08-04 01:27:45 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:	1864844, 1864846
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-08-03 20:00:14 UTC

radare2 4.5.0 misparses DWARF information in executable files, causing a segmentation fault in parse_typedef in type_dwarf.c via a malformed DW_AT_name in the .debug_info section.

Reference:
https://github.com/radareorg/radare2/issues/17383

Comment 1 Guilherme de Almeida Suckevicz 2020-08-03 20:00:32 UTC

Created radare2 tracking bugs for this issue:

Affects: epel-all [bug 1864846]
Affects: fedora-all [bug 1864844]

Comment 2 Product Security DevOps Team 2020-08-04 01:27:45 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.