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@@ -33,14 +33,17 @@ Below, if we speak of borg 1.2.6, we mean a borg version >= 1.2.6 **or** a
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borg version that has the relevant security patches for this vulnerability applied
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(could be also an older version in that case).
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-Steps you must take to upgrade a repository:
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+Steps you must take to upgrade a repository (this applies to all kinds of repos
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+no matter what encryption mode they use, including "none"):
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1. Upgrade all clients using this repository to borg 1.2.6.
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Note: it is not required to upgrade a server, except if the server-side borg
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is also used as a client (and not just for "borg serve").
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- Do **not** run ``borg check`` with borg > 1.2.4 before completing the upgrade steps.
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+ Do **not** run ``borg check`` with borg 1.2.6 before completing the upgrade steps:
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+ - ``borg check`` would complain about archives without a valid archive TAM.
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+ - ``borg check --repair`` would remove such archives!
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2. Run ``BORG_WORKAROUNDS=ignore_invalid_archive_tam borg info --debug <repo> 2>&1 | grep TAM | grep -i manifest``.
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a) If you get "TAM-verified manifest", continue with 3.
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Thomas Waldmann