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6a63f41b3b
Hey folks! PAM has finally landed in /testing. Some here wanted it to go
right into the main tree immediately, and in a more normal development cycle
I'd have been inclined to agree (it is -current, after all). But it's
probably better for it to appear in /testing first, to make sure we didn't
miss any bugs and also to serve as a warning shot that we'll be shaking up
the tree pretty good over the next few weeks. I'd like to see this merged
into the main tree in a day or two, so any testing is greatly appreciated.
Switching to the PAM packages (or reverting from them) is as easy as
installing all of them with upgradepkg --install-new, and if reverting then
remove the three leftover _pam packages. After reverting, a bit of residue
will remain in /etc/pam.d/ and /etc/security/ which can either be manually
deleted or simply ignored. While there are many more features available in
PAM compared with plain shadow, out of the box about the only noticable
change is the use of cracklib and libpwquality to check the quality of a
user-supplied password. Hopefully having PAM and krb5 will get us on track
to having proper Active Directory integration as well as using code paths
that are likely better audited these days. The attack surface *might* be
bigger, but it's also a lot better scrutinized.
Thanks to Robby Workman and Vincent Batts who did most of the initial heavy
lifting on the core PAM packages as a side project for many years. Thanks
also to Phantom X whose PAM related SlackBuilds were a valuable reference.
And thanks as well to ivandi - I learned a lot from the SlackMATE build
scripts and was even occasionally thankful for the amusing ways you would
kick my ass on LQ. ;-) You're more than welcome to let us know where we've
messed up this time.
The binutils and glibc packages in /testing were removed and are off the
table for now. I'm not seeing much upside to heading down that rabbit hole
at the moment. Next we need to be looking at Xfce 4.14 and Plasma 5.18 LTS
and some other things that have been held back since KDE4 couldn't use them.
Cheers! :-)
a/kernel-generic-5.4.19-x86_64-1.txz: Upgraded.
a/kernel-huge-5.4.19-x86_64-1.txz: Upgraded.
a/kernel-modules-5.4.19-x86_64-1.txz: Upgraded.
a/lvm2-2.03.08-x86_64-1.txz: Upgraded.
a/shadow-4.8.1-x86_64-2.txz: Rebuilt.
Automatically backup /etc/login.defs and install the new version if
incompatible PAM options are detected.
d/kernel-headers-5.4.19-x86-1.txz: Upgraded.
k/kernel-source-5.4.19-noarch-1.txz: Upgraded.
VALIDATE_FS_PARSER y -> n
xap/mozilla-thunderbird-68.5.0-x86_64-1.txz: Upgraded.
This release contains security fixes and improvements.
For more information, see:
https://www.mozilla.org/en-US/thunderbird/68.5.0/releasenotes/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6793
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6794
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6795
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6797
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6798
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6792
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6800
(* Security fix *)
isolinux/initrd.img: Rebuilt.
kernels/*: Upgraded.
testing/packages/PAM/ConsoleKit2-1.2.1-x86_64-1_pam.txz: Added.
testing/packages/PAM/at-3.2.1-x86_64-1_pam.txz: Added.
testing/packages/PAM/cifs-utils-6.10-x86_64-2_pam.txz: Added.
testing/packages/PAM/cracklib-2.9.7-x86_64-1_pam.txz: Added.
testing/packages/PAM/cups-2.3.1-x86_64-1_pam.txz: Added.
testing/packages/PAM/cyrus-sasl-2.1.27-x86_64-2_pam.txz: Added.
testing/packages/PAM/dovecot-2.3.9.2-x86_64-1_pam.txz: Added.
testing/packages/PAM/gnome-keyring-3.34.0-x86_64-1_pam.txz: Added.
testing/packages/PAM/hplip-3.19.12-x86_64-2_pam.txz: Added.
testing/packages/PAM/kde-workspace-4.11.22-x86_64-6_pam.txz: Added.
testing/packages/PAM/libcap-2.31-x86_64-1_pam.txz: Added.
testing/packages/PAM/libcgroup-0.41-x86_64-5_pam.txz: Added.
testing/packages/PAM/libpwquality-1.4.2-x86_64-1_pam.txz: Added.
testing/packages/PAM/mariadb-10.4.12-x86_64-1_pam.txz: Added.
testing/packages/PAM/netatalk-3.1.12-x86_64-2_pam.txz: Added.
testing/packages/PAM/netkit-rsh-0.17-x86_64-2_pam.txz: Added.
testing/packages/PAM/openssh-8.1p1-x86_64-1_pam.txz: Added.
testing/packages/PAM/openvpn-2.4.8-x86_64-1_pam.txz: Added.
testing/packages/PAM/pam-1.3.1-x86_64-1_pam.txz: Added.
testing/packages/PAM/polkit-0.116-x86_64-1_pam.txz: Added.
testing/packages/PAM/popa3d-1.0.3-x86_64-3_pam.txz: Added.
testing/packages/PAM/ppp-2.4.7-x86_64-3_pam.txz: Added.
testing/packages/PAM/proftpd-1.3.6b-x86_64-1_pam.txz: Added.
testing/packages/PAM/samba-4.11.6-x86_64-1_pam.txz: Added.
testing/packages/PAM/screen-4.8.0-x86_64-1_pam.txz: Added.
testing/packages/PAM/shadow-4.8.1-x86_64-2_pam.txz: Added.
testing/packages/PAM/sudo-1.8.31-x86_64-1_pam.txz: Added.
testing/packages/PAM/system-config-printer-1.5.12-x86_64-2_pam.txz: Added.
testing/packages/PAM/util-linux-2.35.1-x86_64-1_pam.txz: Added.
testing/packages/PAM/vsftpd-3.0.3-x86_64-5_pam.txz: Added.
testing/packages/PAM/xdm-1.1.11-x86_64-9_pam.txz: Added.
testing/packages/PAM/xlockmore-5.62-x86_64-1_pam.txz: Added.
testing/packages/PAM/xscreensaver-5.43-x86_64-1_pam.txz: Added.
testing/packages/binutils-2.34-x86_64-1.txz: Removed.
testing/packages/glibc-2.31-x86_64-1.txz: Removed.
testing/packages/glibc-i18n-2.31-x86_64-1.txz: Removed.
testing/packages/glibc-profile-2.31-x86_64-1.txz: Removed.
testing/packages/glibc-solibs-2.31-x86_64-1.txz: Removed.
usb-and-pxe-installers/usbboot.img: Rebuilt.
40 lines
1.6 KiB
Diff
40 lines
1.6 KiB
Diff
From 62425bf2a0c72d0e23139d0b285547a7add26251 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Bj=C3=B6rn=20Esser?= <besser82@fedoraproject.org>
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Date: Thu, 15 Nov 2018 19:49:44 +0100
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Subject: [PATCH] pam_unix: Add support for crypt_checksalt, if libcrypt
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supports it.
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libxcrypt v4.3 has added the crypt_checksalt function to whether
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the prefix at the begining of a given hash string refers to a
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supported hashing method.
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Future revisions of this function will add support to check whether
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the hashing method, the prefix refers to, was disabled or considered
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deprecated by the system's factory presets or system administrator.
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Furthermore it will be able to detect whether the parameters, which
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are used by the corresponding hashing method, being encoded in the
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hash string are not considered to be strong enough anymore.
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*modules/pam_unix/passverify.c: Add support for crypt_checksalt.
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---
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modules/pam_unix/passverify.c | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/modules/pam_unix/passverify.c b/modules/pam_unix/passverify.c
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index 1f433b3a..6132130a 100644
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--- a/modules/pam_unix/passverify.c
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+++ b/modules/pam_unix/passverify.c
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@@ -244,7 +244,13 @@ PAMH_ARG_DECL(int check_shadow_expiry,
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D(("account expired"));
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return PAM_ACCT_EXPIRED;
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}
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+#if defined(CRYPT_CHECKSALT_AVAILABLE) && CRYPT_CHECKSALT_AVAILABLE
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+ if (spent->sp_lstchg == 0 ||
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+ crypt_checksalt(spent->sp_pwdp) == CRYPT_SALT_METHOD_LEGACY ||
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+ crypt_checksalt(spent->sp_pwdp) == CRYPT_SALT_TOO_CHEAP) {
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+#else
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if (spent->sp_lstchg == 0) {
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+#endif
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D(("need a new password"));
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*daysleft = 0;
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return PAM_NEW_AUTHTOK_REQD;
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