Bug 1628052 (CVE-2018-16427)

Summary:	CVE-2018-16427 opensc: Out of bounds reads handling responses from smartcards
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gmazyland, jjelen, klember, nmavrogi, tmraz
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	opensc 0.19.0-rc1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-06 13:19:46 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:	1628053, 1628054, 1630212
Bug Blocks:	1622787

Description Sam Fowler 2018-09-12 06:46:38 UTC

Various out of bounds reads when handling responses in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to potentially crash the opensc library using programs.


External References:

https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/


Upstream Patch:

https://github.com/OpenSC/OpenSC/pull/1447/commits/8fe377e93b4b56060e5bbfb6f3142ceaeca744fa

Comment 1 Sam Fowler 2018-09-12 06:47:01 UTC

Created opensc tracking bugs for this issue:

Affects: fedora-all [bug 1628053]

Comment 3 Doran Moppert 2018-09-18 07:48:58 UTC

The patch sections affecting src/libopensc/card-openpgp.c and src/libopensc/ef-gdo.c don't appear to apply to opensc-0.16.0, but the rest almost certainly do

Comment 5 errata-xmlrpc 2019-08-06 12:21:58 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2154 https://access.redhat.com/errata/RHSA-2019:2154

Comment 6 Product Security DevOps Team 2019-08-06 13:19:46 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-16427