Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2021-42781 First vendor Publication 2022-04-18
Vendor Cve Last vendor Modification 2023-06-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 1.4 Temporal Score 5.3
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact Low
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42781

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 9
Os 1
Os 1

Sources (Detail)

Source Url
GENTOO https://security.gentoo.org/glsa/202209-03
MISC https://bugzilla.redhat.com/show_bug.cgi?id=2016439
https://github.com/OpenSC/OpenSC/commit/05648b06
https://github.com/OpenSC/OpenSC/commit/17d8980c
https://github.com/OpenSC/OpenSC/commit/40c50a3a
https://github.com/OpenSC/OpenSC/commit/5d4daf6c
https://github.com/OpenSC/OpenSC/commit/cae5c71f
MLIST https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html

Alert History

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Date Informations
2023-06-21 09:27:39
  • Multiple Updates
2022-09-29 21:27:31
  • Multiple Updates
2022-09-07 13:27:29
  • Multiple Updates
2022-04-25 21:22:55
  • Multiple Updates
2022-04-18 21:22:55
  • First insertion