[Bug 874130] [NEW] Canonicalize fallback only works for different realm (MITKRB RT #6917)

[Ivan Razumov]

Public bug reported:

See RedHat bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=713518.

Quoting:
Certain versions of the KDC software (included for example
in Red Hat Enterprise Linux 2.1 and 3) reject requests,
which include KDC options the software does not recognize,
and do not support the "canonicalize" option. When a client
was configured to use one of these versions of the KDC
software, the client failed to obtain credentials for
authentication to other services. This interoperability
regression was introduced in the update to Red Hat
Enterprise Linux 6.1. With this update, an upstream patch
has been provided to fix this bug.

I have applied the patch provided on this bugzilla page, and this fixed
the problem.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: libkrb5-3 1.9.1+dfsg-1ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
Uname: Linux 3.0.0-12-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Fri Oct 14 15:56:20 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
SourcePackage: krb5
UpgradeStatus: Upgraded to oneiric on 2011-10-13 (0 days ago)

** Affects: krb5 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 oneiric running-unity

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https://bugs.launchpad.net/bugs/874130

Title:
  Canonicalize fallback only works for different realm (MITKRB RT #6917)

Status in “krb5” package in Ubuntu:
  New

Bug description:
  See RedHat bugzilla:
  https://bugzilla.redhat.com/show_bug.cgi?id=713518.

  Quoting:
  Certain versions of the KDC software (included for example
  in Red Hat Enterprise Linux 2.1 and 3) reject requests,
  which include KDC options the software does not recognize,
  and do not support the "canonicalize" option. When a client
  was configured to use one of these versions of the KDC
  software, the client failed to obtain credentials for
  authentication to other services. This interoperability
  regression was introduced in the update to Red Hat
  Enterprise Linux 6.1. With this update, an upstream patch
  has been provided to fix this bug.

  I have applied the patch provided on this bugzilla page, and this
  fixed the problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: libkrb5-3 1.9.1+dfsg-1ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
  Uname: Linux 3.0.0-12-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu3
  Architecture: i386
  Date: Fri Oct 14 15:56:20 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  SourcePackage: krb5
  UpgradeStatus: Upgraded to oneiric on 2011-10-13 (0 days ago)

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