CVE-2021-42779
" Opensc Heap Use After Free Vulnerability"
Description
A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.
INFO
Published Date :
April 18, 2022, 5:15 p.m.
Last Modified :
Nov. 21, 2024, 6:28 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-42779
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Upgrade OpenSC to the latest version.
- Update the affected packages.
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-2021-42779.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 | Issue Tracking Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2016086 | Issue Tracking Patch Third Party Advisory |
| https://github.com/OpenSC/OpenSC/commit/1db88374 | 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://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 | Issue Tracking Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2016086 | Issue Tracking Patch Third Party Advisory |
| https://github.com/OpenSC/OpenSC/commit/1db88374 | 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 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-42779 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-42779
weaknesses.
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-2021-42779 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-42779 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://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2016086 Added Reference https://github.com/OpenSC/OpenSC/commit/1db88374 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] -
Reanalysis by [email protected]
Apr. 28, 2022
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* -
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://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843 Issue Tracking, Mailing List, Patch, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2016086 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2016086 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/OpenSC/OpenSC/commit/1db88374 No Types Assigned https://github.com/OpenSC/OpenSC/commit/1db88374 Patch, Third Party Advisory Added CWE NIST CWE-416 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:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 5.3
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14570
percentile