CVE-2018-16393 Information

Description

Several buffer overflows when handling responses from a Gemsafe V1 Smartcard in gemsafe_get_cert_len 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.

CVSS Vector

CVSS:3.0/AV:P/AC:L/PR:N/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/360e95d45ac4123255a4c796db96337f332160ad 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

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.8