[SECURITY] Fedora 15 Update: krb5-1.9.1-14.fc15

Wed Nov 16 00:26:53 UTC 2011

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Fedora Update Notification
FEDORA-2011-14673
2011-10-20 09:35:42
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Name        : krb5
Product     : Fedora 15
Version     : 1.9.1
Release     : 14.fc15
URL         : http://web.mit.edu/kerberos/www/
Summary     : The Kerberos network authentication system
Description :
Kerberos V5 is a trusted-third-party network authentication system,
which can improve your network's security by eliminating the insecure
practice of cleartext passwords.

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Update Information:

This update applies the upstream patch to fix a null pointer dereference wi=
th the LDAP kdb backend (CVE-2011-1527, #744125), an assertion failure with=
 multiple kdb backends (CVE-2011-1528), and a null pointer dereference with=
 multiple kdb backends (CVE-2011-1529). (#737711)

It also rolls up a number of mostly-minor fixes, some of which were backpor=
ted from upstream to the Fedora 16 branch.  The main user-visible change is=
 a fix for cross-realm authentication in the client libraries.
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ChangeLog:

* Tue Oct 18 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-14
- apply upstream patch to fix a null pointer dereference with the LDAP kdb
  backend (CVE-2011-1527, #744125), an assertion failure with multiple kdb
  backends (CVE-2011-1528), and a null pointer dereference with multiple kdb
  backends (CVE-2011-1529) (#737711)
* Wed Oct 12 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-13
- handle a harder-to-trigger assertion failure that starts cropping up when=
 we
  exit the transmit loop on time (#739853)
* Tue Sep  6 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-12
- pull in upstream patch for RT#6952, confusion following referrals for
  cross-realm auth (#734341)
- pull in build-time deps for the tests
* Thu Sep  1 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-11
- switch to the upstream patch for #727829
* Wed Aug 31 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-10
- handle an assertion failure that starts cropping up when the patch for
  using poll (#701446) meets servers that aren't running KDCs or against
  which the connection fails for other reasons (#727829, #734172)
* Mon Aug  8 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-9
- override the default build rules to not delete temporary y.tab.c files,
  so that they can be packaged, allowing debuginfo files which point to them
  do so usefully (#729044)
* Fri Jul 22 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-8
- build shared libraries with partial RELRO support (#723995)
- filter out potentially multiple instances of -Wl,-z,relro from krb5-config
  output, now that it's in the buildroot's default LDFLAGS
- pull in a patch to fix losing track of the replay cache FD, from SVN by
  way of Kevin Coffman
* Wed Jul 20 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-7
- kadmind.init: drop the attempt to detect no-database-present errors (#723=
723)
* Tue Jul 19 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-6
- backport fixes to teach libkrb5 to use descriptors higher than FD_SETSIZE
  to talk to a KDC by using poll() if it's detected at compile-time (#70144=
6,
  RT#6905)
* Thu Jun 23 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-5
- pull a fix from SVN to try to avoid triggering a PTR lookup in getaddrinf=
o()
  during krb5_sname_to_principal(), and to let getaddrinfo() decide whether=
 or
  not to ask for an IPv6 address based on the set of configured interfaces
  (#717378, RT#6922)
- pull a fix from SVN to use AI_ADDRCONFIG more often (RT#6923)
* Mon Jun 20 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-4
- apply upstream patch by way of Burt Holzman to fall back to a non-referral
  method in cases where we might be derailed by a KDC that rejects the
  canonicalize option (for example, those from the RHEL 2.1 or 3 era) (#715=
074)
* Tue Jun 14 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-3
- pull a fix from SVN to get libgssrpc clients (e.g. kadmin) authenticating
  using the old protocol over IPv4 again (RT#6920)
* Tue Jun 14 2011 Nalin Dahyabhai <nalin at redhat.com>
- incorporate a fix to teach the file labeling bits about when replay caches
  are expunged (#576093)
* Thu May 26 2011 Nalin Dahyabhai <nalin at redhat.com>
- switch to the upstream patch for #707145
* Wed May 25 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-2
- klist: don't trip over referral entries when invoked with -s (#707145,
  RT#6915)
* Fri May  6 2011 Nalin Dahyabhai <nalin at redhat.com>
- fixup URL in a comment
- when built with NSS, require 3.12.10 rather than 3.12.9
* Thu May  5 2011 Nalin Dahyabhai <nalin at redhat.com> 1.9.1-1
- update to 1.9.1:
  - drop no-longer-needed patches for CVE-2010-4022, CVE-2011-0281,
    CVE-2011-0282, CVE-2011-0283, CVE-2011-0284, CVE-2011-0285
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References:

  [ 1 ] Bug #737711 - CVE-2011-1527 CVE-2011-1528 CVE-2011-1529 CVE-2011-41=
51 krb5: KDC denial of service vulnerabilities (MITKRB5-SA-2011-006)
        https://bugzilla.redhat.com/show_bug.cgi?id=3D737711
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This update can be installed with the "yum" update program.  Use =

su -c 'yum update krb5' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

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