CVE-2018-16393: Buffer Overflow

Published Sep 3, 2018
·
Updated

Several buffer overflows when handling responses from a Gemsafe V1 Smartcard in gemsafegetcertlen in libopensc/pkcs15-gemsafeV1.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.

Affected Software

2 affected componentsFixes available
redhat/opensc<0.19.0
0.19.0
Opensc Project Opensc<=0.18.0

Event History

Sep 3, 2018
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description

Frequently Asked Questions

1

What is CVE-2018-16393?

CVE-2018-16393 is a vulnerability that involves several buffer overflows when handling responses from a Gemsafe V1 Smartcard in OpenSC before version 0.19.0-rc1.

2

How can this vulnerability be exploited?

Attackers can exploit this vulnerability by supplying crafted smartcards, which could cause a denial of service (application crash) or potentially have unspecified impacts.

3

What is the severity of CVE-2018-16393?

The severity of CVE-2018-16393 is medium, with a score of 6.8.

4

How do I fix CVE-2018-16393?

To fix CVE-2018-16393, you should update to OpenSC version 0.19.0 or later.

5

Where can I find more information about CVE-2018-16393?

You can find more information about CVE-2018-16393 in the Red Hat advisory (RHSA-2019:2154) and the OpenSC release notes.

Contact

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