https://security-tracker.debian.org/tracker/DSA-5864-1
Yubico pam-u2f before 1.1.1 has a logic issue that, depending on the pam-u2f configuration and the application used, could lead to a local PIN bypass. This issue does not allow user presence (touch) or cryptographic signature verification to be bypassed, so an attacker would still need to physically possess and interact with the YubiKey or another enrolled authenticator. If pam-u2f is configured to require PIN authentication, and the application using pam-u2f allows the user to submit NULL as the PIN,…
В прошлый роз я писал про замечательный пакет opensc‑pkcs11, в котором есть программа pkcs11-tool, позволяющая работать с USB‑токенами, и в частности, с Rutoken (если скачать и установить нужную библиотеку‑модуль librtpkcs11ecp.so).Можно использовать USB‑токен как аппаратное…
xrdp is an open source remote desktop protocol (RDP) server. In versions prior to 0.9.23 improper handling of session establishment errors allows bypassing OS-level session restrictions. The `auth_start_session` function can return non-zero (1) value on, e.g., PAM error which may result in in session restrictions such as max concurrent sessions per user by PAM (ex ./etc/security/limits.conf) to be bypassed. Users (administrators) don't use restrictions by PAM are not affected. This issue has been addressed