CVE-2021-42781

Published on: Not Yet Published

Last Modified on: 04/25/2022 04:07:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

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.

  • CVE-2021-42781 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE LOW

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
oberthur: One more overlooked buffer overflow · OpenSC/[email protected] · GitHub github.com
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URL Logo MISC github.com/OpenSC/OpenSC/commit/5d4daf6c
oberthur: Handle more memory issues during initialization · OpenSC/[email protected] · GitHub github.com
text/html
URL Logo MISC github.com/OpenSC/OpenSC/commit/40c50a3a
oberthur: Avoid two buffer overflows · OpenSC/[email protected] · GitHub github.com
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URL Logo MISC github.com/OpenSC/OpenSC/commit/17d8980c
2016439 – (CVE-2021-42781) CVE-2021-42781 opensc: Heap buffer overflow in pkcs15-oberthur.c bugzilla.redhat.com
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URL Logo MISC bugzilla.redhat.com/show_bug.cgi?id=2016439
oberthur: Handle 1B OIDs · OpenSC/[email protected] · GitHub github.com
text/html
URL Logo MISC github.com/OpenSC/OpenSC/commit/cae5c71f
oberthur: fixed Heap-buffer-overflow · OpenSC/[email protected] · GitHub github.com
text/html
URL Logo MISC github.com/OpenSC/OpenSC/commit/05648b06

Related QID Numbers

  • 751293 SUSE Enterprise Linux Security Update for opensc (SUSE-SU-2021:3582-1)
  • 751951 SUSE Enterprise Linux Security Update for opensc (SUSE-SU-2022:1041-1)
  • 752023 SUSE Enterprise Linux Security Update for opensc (SUSE-SU-2022:1156-1)
  • 901194 Common Base Linux Mariner (CBL-Mariner) Security Update for opensc (9484)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
FedoraprojectFedora33AllAllAll
ApplicationOpensc ProjectOpenscAllAllAllAll
Operating
System
RedhatEnterprise Linux7.0AllAllAll
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-42781 : Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that c… twitter.com/i/web/status/1… 2022-04-18 17:28:50
Reddit Logo Icon /r/netcve CVE-2021-42781 2022-04-18 18:38:46
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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