Bug 1628020 (CVE-2018-16423) - CVE-2018-16423 opensc: Double free handling responses from smartcards in libopensc/sc.c:sc_file_set_sec_attr()
Summary: CVE-2018-16423 opensc: Double free handling responses from smartcards in libo...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-16423
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1628021 1628022 1630208
Blocks: 1622787
TreeView+ depends on / blocked
 
Reported: 2018-09-12 05:45 UTC by Sam Fowler
Modified: 2021-02-16 23:03 UTC (History)
5 users (show)

Fixed In Version: opensc 0.19.0-rc1
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Clone Of:
Environment:
Last Closed: 2019-08-06 13:19:37 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:2154 0 None None None 2019-08-06 12:21:53 UTC

Description Sam Fowler 2018-09-12 05:45:43 UTC 
A double free when handling responses from a smartcard in sc_file_set_sec_attr in libopensc/sc.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.


External References:

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


Upstream Patch:

https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-db0cd89ff279ad8c7b3bb780cdf2770a
Comment 1 Sam Fowler 2018-09-12 05:50:19 UTC 
Created opensc tracking bugs for this issue:

Affects: fedora-all [bug 1628021]
Comment 5 errata-xmlrpc 2019-08-06 12:21:51 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 13:19:37 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-2018-16423
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