CVE-2021-3798

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Third-Party Advisory redhat.com Third-Party Advisory redhat.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a opencryptoki
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1990591 patch third party advisory issue tracking
https://access.redhat.com/security/cve/CVE-2021-3798 third party advisory
https://github.com/opencryptoki/opencryptoki/pull/402 third party advisory patch
https://github.com/opencryptoki/opencryptoki/commit/4e3b43c3d8844402c04a66b55c6c940f965109f0 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-3798?
CVE-2021-3798 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3798?
To fix CVE-2021-3798, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3798 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3798 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3798?
CVE-2021-3798 affects n/a opencryptoki.
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