Bug 1869623 (CVE-2020-17487)

Summary:	CVE-2020-17487 radare2: misparsing signature information in PE files could lead to DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
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:	2020-08-18 15:15:22 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:	1869626, 1869627
Bug Blocks:

Description Marian Rehak 2020-08-18 11:36:59 UTC

radare2 4.5.0 misparses signature information in PE files, causing a segmentation fault in r_x509_parse_algorithmidentifier in libr/util/x509.c. This is due to a malformed object identifier in IMAGE_DIRECTORY_ENTRY_SECURITY.

Upstream Issue:

https://github.com/radareorg/radare2/issues/17431

Comment 1 Marian Rehak 2020-08-18 11:42:14 UTC

Created radare2 tracking bugs for this issue:

Affects: epel-all [bug 1869627]
Affects: fedora-all [bug 1869626]

Comment 2 Product Security DevOps Team 2020-08-18 15:15:22 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.