[SECURITY] [DSA 5853-1] pam-u2f security update
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Debian Security Advisory DSA-5853-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
January 29, 2025 https://www.debian.org/security/faq
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Package : pam-u2f
CVE ID : CVE-2025-23013
Matthias Gerstner reported that pam-u2f, a PAM module which allows to
use U2F (Universal 2nd Factor) devices in the PAM authentication stack,
does not properly handle PAM_IGNORE return values, allowing to bypass
the second factor or password-less login without inserting the proper
device.
For the stable distribution (bookworm), this problem has been fixed in
version 1.1.0-1.1+deb12u1.
We recommend that you upgrade your pam-u2f packages.
For the detailed security status of pam-u2f please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/pam-u2f
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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