SB2024030577 - Anolis OS update for opensc

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Cryptographic issues (CVE-ID: CVE-2023-5992)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the PKCS#1 encryption padding removal is not implemented as side-channel resistant. A remote attacker can gain access to sensitive data.

2) Improper Authorization (CVE-ID: CVE-2023-40660)

The vulnerability allows an attacker to bypass authorization process.

The vulnerability exists due to a logic error in the authorization process. 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. An attacker with physical proximity to the system can bypass the OS logon/screen for small permanently connected tokens to computers.

3) Buffer overflow (CVE-ID: CVE-2023-40661)

The vulnerability allows an attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the card enrollment process using pkcs15-init when a user or administrator enrolls cards. An attacker with physical access to the system can trigger memory corruption and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://anas.openanolis.cn/errata/detail/ANSA-2024:0076