5.3
MEDIUM
CVE-2021-42782
Opensc Stack Buffer Overflow Vulnerability
Description

Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places that could potentially crash programs using the library.

INFO

Published Date :

April 18, 2022, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 6:28 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-42782 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Opensc_project opensc
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-42782.

URL Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2016448 Issue Tracking Mailing List Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/1252aca9 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/456ac566 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/7114fb71 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/78cdab94 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/ae1cf0be Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
https://security.gentoo.org/glsa/202209-03 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016448 Issue Tracking Mailing List Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/1252aca9 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/456ac566 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/7114fb71 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/78cdab94 Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/ae1cf0be Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
https://security.gentoo.org/glsa/202209-03 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-42782 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42782 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2016448
    Added Reference https://github.com/OpenSC/OpenSC/commit/1252aca9
    Added Reference https://github.com/OpenSC/OpenSC/commit/456ac566
    Added Reference https://github.com/OpenSC/OpenSC/commit/7114fb71
    Added Reference https://github.com/OpenSC/OpenSC/commit/78cdab94
    Added Reference https://github.com/OpenSC/OpenSC/commit/ae1cf0be
    Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
    Added Reference https://security.gentoo.org/glsa/202209-03
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 21, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202209-03 No Types Assigned https://security.gentoo.org/glsa/202209-03 Third Party Advisory
  • CVE Modified by [email protected]

    Sep. 07, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202209-03 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 25, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2016448 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2016448 Issue Tracking, Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://github.com/OpenSC/OpenSC/commit/1252aca9 No Types Assigned https://github.com/OpenSC/OpenSC/commit/1252aca9 Patch, Third Party Advisory
    Changed Reference Type https://github.com/OpenSC/OpenSC/commit/456ac566 No Types Assigned https://github.com/OpenSC/OpenSC/commit/456ac566 Patch, Third Party Advisory
    Changed Reference Type https://github.com/OpenSC/OpenSC/commit/7114fb71 No Types Assigned https://github.com/OpenSC/OpenSC/commit/7114fb71 Patch, Third Party Advisory
    Changed Reference Type https://github.com/OpenSC/OpenSC/commit/78cdab94 No Types Assigned https://github.com/OpenSC/OpenSC/commit/78cdab94 Patch, Third Party Advisory
    Changed Reference Type https://github.com/OpenSC/OpenSC/commit/ae1cf0be No Types Assigned https://github.com/OpenSC/OpenSC/commit/ae1cf0be Patch, Third Party Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:* versions up to (excluding) 0.22.0
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-42782 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.29 }} 0.04%

score

0.69504

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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