Vulnerability in Yubico Pam-u2f

CVE-2019-12209

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 syst…

EPSS: 0.029 (85.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-12209?
CVE-2019-12209 is a high-severity vulnerability in Yubico Pam-u2f, classified under Improper Link Resolution Before File Access. CVSS score: 7.5/10. Published 2019-06-04.
How severe is CVE-2019-12209?
High severity. CVSS v3 base score is 7.5 out of 10.