CVE Vulnerability

CVE-2019-19481

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

4.6 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 3.6

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/OpenSC/OpenSC/commit/b75c002cfb1fd61cd20ec938ff4937d7b1a94278 Patch
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18618 Permissions Required Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/29/1 Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/
Configurations

Configuration 1

cpe:2.3:a:opensc_project:opensc:0.20.0:rc1:*:*:*:*:*:*
cpe:2.3:a:opensc_project:opensc:0.19.0:-:*:*:*:*:*:*
cpe:2.3:a:opensc_project:opensc:0.20.0:rc2:*:*:*:*:*:*
cpe:2.3:a:opensc_project:opensc:0.20.0:rc3:*:*:*:*:*:*
Information

Published : 2019-12-01 11:15

Updated : 2020-01-24 07:15

NVD link : CVE-2019-19481

Mitre link : CVE-2019-19481

Products Affected

Opensc

Opensc Project

CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer