--------------------------------------------------------------------------------Fedora Update Notification
FEDORA-2021-12af2614da
2021-11-19 01:13:49.587403
--------------------------------------------------------------------------------Name        : freeipa
Product     : Fedora 35
Version     : 4.9.7
Release     : 4.fc35
URL         : https://www.freeipa.org/
Summary     : The Identity, Policy and Audit system
Description :
IPA is an integrated solution to provide centrally managed Identity (users,
hosts, services), Authentication (SSO, 2FA), and Authorization
(host access control, SELinux user roles, services). The solution provides
features for further integration with Linux based clients (SUDO, automount)
and integration with Active Directory based infrastructures (Trusts).

--------------------------------------------------------------------------------Update Information:

Update to latest samba release (addressing various CVEs) and rebuild freeipa
--------------------------------------------------------------------------------ChangeLog:

* Thu Nov 11 2021 Alexander Bokovoy  - 4.9.7-4
- Hardening for CVE-2020-25717 part 2
- Handle S4U for users from trusted domains
* Wed Nov 10 2021 Alexander Bokovoy  - 4.9.7-3
- Hardening for CVE-2020-25717
- Generate SIDs for IPA users and groups by default
- Verify MS-PAC consistency when it is generated or validated
- Rebuild against samba-4.15.2
- Resolves: rhbz#2021720
--------------------------------------------------------------------------------References:

  [ 1 ] Bug #2019660 - CVE-2016-2124 samba: SMB1 client connections can be downgraded to plaintext authentication
        https://bugzilla.redhat.com/show_bug.cgi?id=2019660
  [ 2 ] Bug #2019666 - CVE-2021-23192 samba: Subsequent DCE/RPC fragment injection vulnerability
        https://bugzilla.redhat.com/show_bug.cgi?id=2019666
  [ 3 ] Bug #2019672 - CVE-2020-25717 samba: A user in an AD Domain could become root on domain members
        https://bugzilla.redhat.com/show_bug.cgi?id=2019672
  [ 4 ] Bug #2019726 - CVE-2020-25718 samba: Samba AD DC did not correctly sandbox Kerberos tickets issues by an RODC
        https://bugzilla.redhat.com/show_bug.cgi?id=2019726
  [ 5 ] Bug #2019732 - CVE-2020-25719 samba: Samba AD DC did not always rely on the SID and PAC in Kerberos tickets
        https://bugzilla.redhat.com/show_bug.cgi?id=2019732
  [ 6 ] Bug #2019764 - CVE-2020-25722 samba: Samba AD DC did not do sufficient access and conformance checking of data stored
        https://bugzilla.redhat.com/show_bug.cgi?id=2019764
  [ 7 ] Bug #2021726 - CVE-2021-3738 samba: Use after free in Samba AD DC RPC server
        https://bugzilla.redhat.com/show_bug.cgi?id=2021726
  [ 8 ] Bug #2021728 - CVE-2020-25721 samba: Kerberos acceptors need easy access to stableAD identifiers (eg objectSid)
        https://bugzilla.redhat.com/show_bug.cgi?id=2021728
--------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-12af2614da' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/security/
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