Vulnerability CVE-2021-42781
Published: 2022-04-18

Description:
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.

Type:

CWE-787

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Redhat -> Enterprise linux 
Opensc project -> Opensc 
Fedoraproject -> Fedora 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2016439
https://github.com/OpenSC/OpenSC/commit/17d8980c
https://github.com/OpenSC/OpenSC/commit/5d4daf6c
https://github.com/OpenSC/OpenSC/commit/40c50a3a
https://github.com/OpenSC/OpenSC/commit/05648b06
https://github.com/OpenSC/OpenSC/commit/cae5c71f
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