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Amazon Linux 2023: CVE-2023-40660: Medium priority package update for opensc

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Amazon Linux 2023: CVE-2023-40660: Medium priority package update for opensc

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
09/25/2023
Created
02/14/2025
Added
02/14/2025
Modified
02/14/2025

Description

A flaw was found in OpenSC packages that allow a potential PIN bypass. When a token/card is authenticated by one process, it can perform cryptographic operations in other processes when an empty zero-length pin is passed. This issue poses a security risk, particularly for OS logon/screen unlock and for small, permanently connected tokens to computers. Additionally, the token can internally track login status. This flaw allows an attacker to gain unauthorized access, carry out malicious actions, or compromise the system without the user's awareness.

Solution(s)

  • amazon-linux-2023-upgrade-opensc
  • amazon-linux-2023-upgrade-opensc-debuginfo
  • amazon-linux-2023-upgrade-opensc-debugsource

References

  • https://attackerkb.com/topics/cve-2023-40660
  • CVE - 2023-40660
  • https://alas.aws.amazon.com/AL2023/ALAS-2023-417.html
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