Heap Buffer Overflow in OpenSC Affects Multiple Applications
CVE-2021-42781

5.3MEDIUM

Key Information:

Vendor

Opensc Project

Status
Opensc
Vendor
CVE Published:
18 April 2022

What is CVE-2021-42781?

A heap buffer overflow vulnerability has been identified in OpenSC prior to version 0.22.0, specifically within the pkcs15-oberthur.c file. This issue may lead to unexpected program behavior, including crashes, when applications utilize the OpenSC library. Users of affected versions are urged to update to the latest release to mitigate potential risks associated with this vulnerability.

Affected Version(s)

opensc opensc 0.22.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=2016439
https://github.com/OpenSC/OpenSC/commit/17d8980c
https://github.com/OpenSC/OpenSC/commit/40c50a3a

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.