CWE
415
Advisory Published
Updated

CVE-2018-16423: Double Free

First published: Tue Sep 04 2018(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Opensc Project Opensc<=0.18.0

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Frequently Asked Questions

  • What is CVE-2018-16423?

    CVE-2018-16423 is a vulnerability in OpenSC, where a double free when handling responses from a smartcard could be exploited by attackers to cause a denial of service or other impact.

  • What is the severity of CVE-2018-16423?

    CVE-2018-16423 has a severity of medium with a CVSS score of 6.6.

  • How can this vulnerability impact me?

    This vulnerability can lead to a denial of service (application crash) or potentially have unspecified other impacts.

  • Which software versions are affected by CVE-2018-16423?

    OpenSC versions up to and including 0.18.0 are affected by CVE-2018-16423.

  • How do I fix CVE-2018-16423?

    To fix CVE-2018-16423, you should upgrade to OpenSC version 0.19.0 or later.

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