CVE-2018-16420: Buffer Overflow
First published: Tue Sep 04 2018(Updated: )
Several buffer overflows when handling responses from an ePass 2003 Card in decrypt_response in libopensc/card-epass2003.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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opensc Project Opensc | <=0.18.0 | |
| redhat/opensc | <0.19.0 | 0.19.0 |
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Reference Links
- https://access.redhat.com/errata/RHSA-2019:2154
- https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-b36536074d13447fbbec061e0e64d15d
- https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
- https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1628028
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1628029
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1656791
- https://access.redhat.com/security/cve/cve-2018-16420
- https://bugzilla.redhat.com/show_bug.cgi?id=1628026
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2018-16420.
What is the severity of CVE-2018-16420?
The severity of CVE-2018-16420 is medium with a CVSS score of 6.6.
What is the affected software for CVE-2018-16420?
The affected software for CVE-2018-16420 is OpenSC versions up to and including 0.18.0.
How can an attacker exploit CVE-2018-16420?
An attacker can exploit CVE-2018-16420 by supplying crafted smartcards to the affected system.
How can I fix CVE-2018-16420?
To fix CVE-2018-16420, update to OpenSC version 0.19.0 or later.
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