MEDIUM 5.5 Microsoft
CVE-2021-3798
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.
Microsoft Security Update 2022-Aug: 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.
Affected Products
- cbl2 opencryptoki 3.17.0-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-3798
- https://nvd.nist.gov/vuln/detail/CVE-2021-3798
This medium severity vulnerability with a CVSS score of 5.5 was published on 2022-08-09 via Microsoft. Affected: cbl2 opencryptoki 3.17.0-1 on CBL Mariner 2.0.
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