CVE-2018-16419: Buffer Overflow
First published: Tue Sep 04 2018(Updated: )
Several buffer overflows when handling responses from a Cryptoflex card in read_public_key in tools/cryptoflex-tool.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-a6074523a9cbd875e26c58e20868fb15
- 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=1628014
- https://access.redhat.com/security/cve/cve-2018-16419
- https://bugzilla.redhat.com/show_bug.cgi?id=1628013
Frequently Asked Questions
What is CVE-2018-16419?
CVE-2018-16419 is a vulnerability that allows attackers to cause a denial of service or have unspecified other impact by supplying crafted smartcards.
What is the severity of CVE-2018-16419?
The severity of CVE-2018-16419 is medium with a CVSS score of 6.6.
How can the CVE-2018-16419 vulnerability be exploited?
The vulnerability can be exploited by attackers who are able to supply crafted smartcards.
What software is affected by CVE-2018-16419?
OpenSC versions up to and including 0.18.0 are affected, as well as Red Hat OpenSC versions up to but not including 0.19.0.
How can I fix CVE-2018-16419?
To fix CVE-2018-16419, update to OpenSC version 0.19.0 or higher.
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