Astra Linux - уязвимость в opensc

A flaw was discovered in OpenSC packages that could allow for 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, especially for OS...

USN-7346-3 opensc vulnerabilities

USN-7346-1 fixed vulnerabilities in OpenSC. The update introduced a regression which broke smartcard based authentication. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that OpenSC did not correctly handle certain memory operations...

USN-7346-1 opensc vulnerabilities

It was discovered that OpenSC did not correctly handle certain memory operations, which could lead to a use-after-free vulnerability. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and...

DEBIAN-CVE-2023-40660

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 a...

CVE-2023-40660 Opensc: potential pin bypass when card tracks its own login state

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 a...

Authentication Bypass

libopensc.so is vulnerable to Authentication Bypass. The vulnerability exists in the scpkcs15verifypin function of pkcs15-pin.c when a token or card is plugged into the system and authenticated by one process, but can be utilized for cryptographic operations by another process when an empty,...