[Bug 1207123] Update Released

[Colin Watson]

The verification of this Stable Release Update has completed
successfully and the package has now been released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
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the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
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https://bugs.launchpad.net/bugs/1207123

Title:
  Key usage violation in certificate has been detected

Status in “gnutls26” package in Ubuntu:
  Fix Released
Status in “gnutls26” source package in Precise:
  Fix Released
Status in “gnutls26” source package in Quantal:
  Fix Released

Bug description:
  [Impact]
  A certificate issued to allow _only_ a certain ciphersuite (e.g. RSA) gnutls will fail with a key usage violation unless the server explicitly disables all other ciphersuites.

  [Test Case]
  + On a 12.04 system install a valid certificate supporting only RSA
  + Configure an ssl enabled website via apache2 using the above certificate
  + Run gnutls-cli <hostname>

  [Regression Potential]
  The fix for this was pulled from 13.04 and so far no major bugs have been filed relating to this specific issue.

  [Additional]
  As stated above the attached debdiff(s) for quantal and precise were pulled from 13.04 where the code just ignores this violation and moves on. I don't know of a better way to handle this and perhaps someone with more knowledge around gnutls could provide more insight.

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