[Pkg-auth-maintainers] Bug#783395: libpam-yubico: Segfault when using Yubikey for authentication prevents login
Henrik Størner
henrik at hswn.dk
Sun Apr 26 18:17:00 UTC 2015
Package: libpam-yubico
Version: 2.17-2
Severity: important
Dear Maintainer,
After upgrading from Wheezy to Jessie, Yubikey authentication has stoppped working.
Yubikey authentication was disabled during the upgrade, in case I had to login
without network access. After the upgrade I ran "dpkg-reconfigure libpam-yubico"
to configure for the Yubico 2-factor authentication. Now, when logging in I do
get the "YubiKey" prompt, but when hitting the Yubikey I am immediately returned
to the login: prompt.
/var/log/syslog has this:
Apr 26 12:55:41 osiris kernel: [ 2717.882751] login[13942]: segfault at 7f6627ae2030 ip 00007f6626f67d28 sp 00007f661cc1b538 error 4 in libc-2.19.so[7f6626ee3000+19f000]
The libpam-yubico configuration is
mode=client try_first_pass id=N key=X
(N and X taken from my previous configuration)
-- System Information:
Debian Release: 8.0
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=da_DK.UTF-8, LC_CTYPE=da_DK.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages libpam-yubico depends on:
ii debconf [debconf-2.0] 1.5.56
ii libc6 2.19-18
ii libldap-2.4-2 2.4.40+dfsg-1
ii libpam-runtime 1.1.8-3.1
ii libpam0g 1.1.8-3.1
ii libykclient3 2.13-1
ii libykpers-1-1 1.16.0-1
ii libyubikey0 1.12-2
libpam-yubico recommends no packages.
libpam-yubico suggests no packages.
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