CVE-2021-3798
OpenCryptoki EC Key Validation Vulnerability
Description
A flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via C_CreateObject, nor when C_DeriveKey is used with ECDH public data. This may allow a malicious user to extract the private key by performing an invalid curve attack.
INFO
Published Date :
Aug. 23, 2022, 4:15 p.m.
Last Modified :
Nov. 21, 2024, 6:22 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2021-3798.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3798 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1990591 | Issue Tracking Patch Third Party Advisory |
| https://github.com/opencryptoki/opencryptoki/commit/4e3b43c3d8844402c04a66b55c6c940f965109f0 | Patch Third Party Advisory |
| https://github.com/opencryptoki/opencryptoki/pull/402 | Patch Third Party Advisory |
| https://access.redhat.com/security/cve/CVE-2021-3798 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1990591 | Issue Tracking Patch Third Party Advisory |
| https://github.com/opencryptoki/opencryptoki/commit/4e3b43c3d8844402c04a66b55c6c940f965109f0 | Patch Third Party Advisory |
| https://github.com/opencryptoki/opencryptoki/pull/402 | Patch 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-2021-3798 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3798 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://access.redhat.com/security/cve/CVE-2021-3798 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1990591 Added Reference https://github.com/opencryptoki/opencryptoki/commit/4e3b43c3d8844402c04a66b55c6c940f965109f0 Added Reference https://github.com/opencryptoki/opencryptoki/pull/402 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jul. 10, 2023
Action Type Old Value New Value Removed CWE NIST CWE-295 Added CWE NIST NVD-CWE-Other -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Removed CVSS V3.1 Red Hat, Inc. AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Removed Reference https://access.redhat.com/errata/RHBA-2021:3054 [No Types Assigned] Added CWE Red Hat, Inc. CWE-200 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Added CVSS V3.1 Red Hat, Inc. AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Added Reference https://access.redhat.com/errata/RHBA-2021:3054 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-200 Removed CWE Reason CWE-200 / More specific CWE option available -
Initial Analysis by [email protected]
Aug. 29, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://access.redhat.com/security/cve/CVE-2021-3798 No Types Assigned https://access.redhat.com/security/cve/CVE-2021-3798 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1990591 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1990591 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/opencryptoki/opencryptoki/commit/4e3b43c3d8844402c04a66b55c6c940f965109f0 No Types Assigned https://github.com/opencryptoki/opencryptoki/commit/4e3b43c3d8844402c04a66b55c6c940f965109f0 Patch, Third Party Advisory Changed Reference Type https://github.com/opencryptoki/opencryptoki/pull/402 No Types Assigned https://github.com/opencryptoki/opencryptoki/pull/402 Patch, Third Party Advisory Added CWE NIST CWE-295 Added CPE Configuration OR *cpe:2.3:a:opencryptoki_project:opencryptoki:*:*:*:*:*:*:*:* versions up to (excluding) 3.17.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3798 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-2021-3798
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.12212
percentile