Medium severity6.7NVD Advisory· Published Aug 24, 2020· Updated Jun 17, 2026
CVE-2020-24612
CVE-2020-24612
Description
An issue was discovered in the selinux-policy (aka Reference Policy) package 3.14 through 2020-08-24 because the .config/Yubico directory is mishandled. Consequently, when SELinux is in enforced mode, pam-u2f is not allowed to read the user's U2F configuration file. If configured with the nouserok option (the default when configured by the authselect tool), and that file cannot be read, the second factor is disabled. An attacker with only the knowledge of the password can then log in, bypassing 2FA.
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Affected products
3- cpe:2.3:a:fedoraproject:selinux-policy:*:*:*:*:*:*:*:*Range: >=3.14,<=2020-08-24
- SELinux/selinux-policydescription
- Range: <=2020-08-24
Patches
Vulnerability mechanics
References
2- github.com/fedora-selinux/selinux-policy/commit/71e1989028802c7875d3436fd3966c587fa383fbnvdPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
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