CVE Vulnerability

CVE-2018-16421

Several buffer overflows when handling responses from a CAC Card in cac_get_serial_nr_from_CUID in libopensc/card-cac.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.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

6.6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.7 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/ Exploit Third Party Advisory
https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1 Release Notes Patch
https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-848b13147a344ba2c6361d91ca77feb1 Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2154
https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
Configurations

Configuration 1

cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*
Information

Published : 2018-09-04 12:29

Updated : 2019-08-06 05:15

NVD link : CVE-2018-16421

Mitre link : CVE-2018-16421

Products Affected
No products.
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer