Security Advisory

CVE-2019-12209

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-06-04 20:26:55

Last updated 2024-08-04 23:17:38

Assigner mitre

State PUBLISHED

Description

Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile (default $HOME/.config/Yubico/u2f_keys) as root (unless openasuser was enabled), and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM configuration, part of the file contents of a symlink target will be logged, possibly revealing sensitive information.

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