Bug 1782955 (CVE-2019-19481) - CVE-2019-19481 opensc: Improper handling of buffer limits for CAC certificates
Summary: CVE-2019-19481 opensc: Improper handling of buffer limits for CAC certificates
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-19481
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: 1782956 1782957 1791807 1791808
Blocks: 1782958
TreeView+ depends on / blocked
 
Reported: 2019-12-12 17:15 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-11-04 02:23 UTC (History)
6 users (show)

Fixed In Version: opensc 0.20.0
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Environment:
Last Closed: 2020-11-04 02:23:42 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:4483 0 None None None 2020-11-04 01:23:08 UTC

Description Guilherme de Almeida Suckevicz 2019-12-12 17:15:22 UTC 
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618

Upstream commit:
https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278
Comment 1 Guilherme de Almeida Suckevicz 2019-12-12 17:15:43 UTC 
Created opensc tracking bugs for this issue:

Affects: epel-6 [bug 1782957]
Affects: fedora-all [bug 1782956]
Comment 3 errata-xmlrpc 2020-11-04 01:23:07 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4483 https://access.redhat.com/errata/RHSA-2020:4483
Comment 4 Product Security DevOps Team 2020-11-04 02:23:42 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-2019-19481
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