CVE-2018-16423 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://access.redhat.com/errata/RHSA-2019:2154 https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160addiff-db0cd89ff279ad8c7b3bb780cdf2770a 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/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.6