Vulnerability CVE-2021-42780
Published: 2022-04-18

Description:
A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.

Type:

CWE-252

 (Unchecked Return Value)

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://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383
https://github.com/OpenSC/OpenSC/commit/5df913b7
https://bugzilla.redhat.com/show_bug.cgi?id=2016139
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