CVE-2021-42781

Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2016439	Issue Tracking Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/17d8980c	Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/5d4daf6c	Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/40c50a3a	Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/05648b06	Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/cae5c71f	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Information

Published : 2022-04-18 17:15

Updated : 2022-04-25 16:07

NVD link : CVE-2021-42781

Mitre link : CVE-2021-42781

JSON object : View

Products Affected

fedoraproject

fedora

redhat

enterprise_linux

opensc_project

opensc

CWE

CWE-787

Out-of-bounds Write

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