CVE-2018-16423

opensc: Double free handling responses from smartcards in libopensc/sc.c:sc_file_set_sec_attr()

Severity Score

6.6

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Varios desbordamientos de búfer al manejar las respuestas de una Smartcard en sc_file_set_sec_attr en libopensc/sc.c en OpenSC en versiones anteriores a la 0.19.0-rc1 podrían ser empleados por atacantes para proporcionar smartcards manipuladas para provocar una denegación de servicio (cierre inesperado de la aplicación) o, posiblemente, otro tipo de impacto sin especificar.

*Credits: N/A

CVSS Scores

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-09-03 CVE Reserved
2018-09-04 CVE Published
2023-08-28 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-415: Double Free

CAPEC

References (7)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html	Mailing List

URL	Date	SRC
https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC	2024-08-05

URL	Date	SRC
https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-db0cd89ff279ad8c7b3bb780cdf2770a	2019-08-06
https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1	2019-08-06

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:2154	2019-08-06
https://access.redhat.com/security/cve/CVE-2018-16423	2019-08-06
https://bugzilla.redhat.com/show_bug.cgi?id=1628020	2019-08-06

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opensc Project Search vendor "Opensc Project"		Opensc Search vendor "Opensc Project" for product "Opensc"				<= 0.18.0 Search vendor "Opensc Project" for product "Opensc" and version " <= 0.18.0"		-		Affected