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.

CVSS v3.0 6.6 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.6^/10

CVSS v3.0 : MEDIUM

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

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

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

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 Third Party Advisory
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

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Configurations

Configuration 1 (hide)

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

Information

Published : 2018-09-03 17:29

Updated : 2019-08-06 10:15

NVD link : CVE-2018-16421

Mitre link : CVE-2018-16421

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

opensc_project

opensc

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