QID 356637

Date Published: 2023-11-09

QID 356637: Amazon Linux Security Advisory for opensc : ALAS2023-2023-417

Potential pin bypass. when the token/card was plugged into the computer and authenticated from one process, it could be used to provide cryptographic operations from different process when the empty, zero-length pin and the token can track the login status using some of its internals.
This is dangerous for os logon/screen unlock and small tokens that are plugged permanently to the computer. (
( CVE-2023-40660) multiple memory issues with pkcs15-init (enrollment tool) (cve-2023-40661) out-of-bounds read in myeid driver handling encryption using symmetric keys this issue require physical access to the computer running opensc and crafted usb device or smart card that would present the system with specially crafted responses to the apdus so they are considered a high-complexity and low-severity. this issue is in the code handling symmetric keys, which are not widely used for example for desktop login so most of the deployments are not affected. (
( CVE-2023-4535)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 6.6 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2023-2023-417 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356637

    CVE-2023-4535 | CVE-2023-40661 | CVE-2023-40660 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2023-417 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2023-417.html
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