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[Steve Langasek <steve.langasek@xxxxxxxxxxxxx>]

** Changed in: borgbackup (Ubuntu Yakkety)
       Status: Fix Committed => Won't Fix

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https://bugs.launchpad.net/bugs/1690846

Title:
  [SRU] version in repository is outdated and has vulnerabilities

Status in borgbackup package in Ubuntu:
  Fix Released
Status in borgbackup source package in Xenial:
  New
Status in borgbackup source package in Yakkety:
  Won't Fix

Bug description:
  [ Test description ]
  * upstream has a really big testsuite, and coverage tools that helps covering all the code paths, e.g. by running borg save, crypt, decrypt, create, restore, with various files (binary, text and so on).
  We run such testsuite on every architecture, and for stuff that requires
  root access or different accesses there is a custom autopkgtestsuite that covers that border line cases.

  
  ============================= 55 tests deselected ==============================
   511 passed, 60 skipped, 55 deselected, 2 xpassed, 1 pytest-warnings in 169.40 seconds 

  and some of the skipped tests are run in autopkgtestsuite.

  [Impact]

  The current version in 16.10 universe is 1.0.7 which has two known
  vulnerabilities (CVE-2016-10099 and CVE-2016-10100) fixed in upstream
  version 1.0.9 (released ~6 months ago). The current upstream version
  is 1.0.10 (released ~3 months ago) and contains various other
  bugfixes.

  [CHANGELOG]
  Version 1.0.10 (2017-02-13)
  ---------------------------

  Bug fixes:

  - Manifest timestamps are now monotonically increasing,
    this fixes issues when the system clock jumps backwards
    or is set inconsistently across computers accessing the same repository, #2115
  - Fixed testing regression in 1.0.10rc1 that lead to a hard dependency on
    py.test >= 3.0, #2112

  New features:

  - "key export" can now generate a printable HTML page with both a QR code and
    a human-readable "paperkey" representation (and custom text) through the
    ``--qr-html`` option.

    The same functionality is also available through `paperkey.html <paperkey.html>`_,
    which is the same HTML page generated by ``--qr-html``. It works with existing
    "key export" files and key files.

  Other changes:

  - docs:

    - language clarification - "borg create --one-file-system" option does not respect
      mount points, but considers different file systems instead, #2141
  - setup.py: build_api: sort file list for determinism

  Version 1.0.10rc1 (2017-01-29)
  ------------------------------

  Bug fixes:

  - borg serve: fix transmission data loss of pipe writes, #1268
    This affects only the cygwin platform (not Linux, BSD, OS X).
  - Avoid triggering an ObjectiveFS bug in xattr retrieval, #1992
  - When running out of buffer memory when reading xattrs, only skip the
    current file, #1993
  - Fixed "borg upgrade --tam" crashing with unencrypted repositories. Since
    :ref:`the issue <tam_vuln>` is not relevant for unencrypted repositories,
    it now does nothing and prints an error, #1981.
  - Fixed change-passphrase crashing with unencrypted repositories, #1978
  - Fixed "borg check repo::archive" indicating success if "archive" does not exist, #1997
  - borg check: print non-exit-code warning if --last or --prefix aren't fulfilled
  - fix bad parsing of wrong repo location syntax
  - create: don't create hard link refs to failed files,
    mount: handle invalid hard link refs, #2092
  - detect mingw byte order, #2073
  - creating a new segment: use "xb" mode, #2099
  - mount: umount on SIGINT/^C when in foreground, #2082

  Other changes:

  - binary: use fixed AND freshly compiled pyinstaller bootloader, #2002
  - xattr: ignore empty names returned by llistxattr(2) et al
  - Enable the fault handler: install handlers for the SIGSEGV, SIGFPE, SIGABRT,
    SIGBUS and SIGILL signals to dump the Python traceback.
  - Also print a traceback on SIGUSR2.
  - borg change-passphrase: print key location (simplify making a backup of it)
  - officially support Python 3.6 (setup.py: add Python 3.6 qualifier)
  - tests:

    - vagrant / travis / tox: add Python 3.6 based testing
    - vagrant: fix openbsd repo, #2042
    - vagrant: fix the freebsd64 machine, #2037 #2067
    - vagrant: use python 3.5.3 to build binaries, #2078
    - vagrant: use osxfuse 3.5.4 for tests / to build binaries
      vagrant: improve darwin64 VM settings
    - travis: fix osxfuse install (fixes OS X testing on Travis CI)
    - travis: require succeeding OS X tests, #2028
    - travis: use latest pythons for OS X based testing
    - use pytest-xdist to parallelize testing
    - fix xattr test race condition, #2047
    - setup.cfg: fix pytest deprecation warning, #2050
  - docs:

    - language clarification - VM backup FAQ
    - borg create: document how to backup stdin, #2013
    - borg upgrade: fix incorrect title levels
    - add CVE numbers for issues fixed in 1.0.9, #2106
  - fix typos (taken from Debian package patch)
  - remote: include data hexdump in "unexpected RPC data" error message
  - remote: log SSH command line at debug level
  - API_VERSION: use numberspaces, #2023
  - remove .github from pypi package, #2051
  - add pip and setuptools to requirements file, #2030
  - SyncFile: fix use of fd object after close (cosmetic)
  - Manifest.in: simplify, exclude \*.{so,dll,orig}, #2066
  - ignore posix_fadvise errors in repository.py, #2095
    (works around issues with docker on ARM)
  - make LoggedIO.close_segment reentrant, avoid reentrance

  Version 1.0.9 (2016-12-20)
  --------------------------

  Security fixes:

  - A flaw in the cryptographic authentication scheme in Borg allowed an attacker
    to spoof the manifest. See :ref:`tam_vuln` above for the steps you should
    take.

    CVE-2016-10099 was assigned to this vulnerability.
  - borg check: When rebuilding the manifest (which should only be needed very rarely)
    duplicate archive names would be handled on a "first come first serve" basis, allowing
    an attacker to apparently replace archives.

    CVE-2016-10100 was assigned to this vulnerability.

  Bug fixes:

  - borg check:

    - rebuild manifest if it's corrupted
    - skip corrupted chunks during manifest rebuild
  - fix TypeError in integrity error handler, #1903, #1894
  - fix location parser for archives with @ char (regression introduced in 1.0.8), #1930
  - fix wrong duration/timestamps if system clock jumped during a create
  - fix progress display not updating if system clock jumps backwards
  - fix checkpoint interval being incorrect if system clock jumps

  Other changes:

  - docs:

    - add python3-devel as a dependency for cygwin-based installation
    - clarify extract is relative to current directory
    - FAQ: fix link to changelog
    - markup fixes
  - tests:

    - test_get\_(cache|keys)_dir: clean env state, #1897
    - get back pytest's pretty assertion failures, #1938
  - setup.py build_usage:

    - fixed build_usage not processing all commands
    - fixed build_usage not generating includes for debug commands

  Version 1.0.9rc1 (2016-11-27)
  -----------------------------

  Bug fixes:

  - files cache: fix determination of newest mtime in backup set (which is
    used in cache cleanup and led to wrong "A" [added] status for unchanged
    files in next backup), #1860.

  - borg check:

    - fix incorrectly reporting attic 0.13 and earlier archives as corrupt
    - handle repo w/o objects gracefully and also bail out early if repo is
      *completely* empty, #1815.
  - fix tox/pybuild in 1.0-maint
  - at xattr module import time, loggers are not initialized yet

  New features:

  - borg umount <mountpoint>
    exposed already existing umount code via the CLI api, so users can use it,
    which is more consistent than using borg to mount and fusermount -u (or
    umount) to un-mount, #1855.
  - implement borg create --noatime --noctime, fixes #1853

  Other changes:

  - docs:

    - display README correctly on PyPI
    - improve cache / index docs, esp. files cache docs, fixes #1825
    - different pattern matching for --exclude, #1779
    - datetime formatting examples for {now} placeholder, #1822
    - clarify passphrase mode attic repo upgrade, #1854
    - clarify --umask usage, #1859
    - clarify how to choose PR target branch
    - clarify prune behavior for different archive contents, #1824
    - fix PDF issues, add logo, fix authors, headings, TOC
    - move security verification to support section
    - fix links in standalone README (:ref: tags)
    - add link to security contact in README
    - add FAQ about security
    - move fork differences to FAQ
    - add more details about resource usage
  - tests: skip remote tests on cygwin, #1268
  - travis:

    - allow OS X failures until the brew cask osxfuse issue is fixed
    - caskroom osxfuse-beta gone, it's osxfuse now (3.5.3)
  - vagrant:

    - upgrade OSXfuse / FUSE for macOS to 3.5.3
    - remove llfuse from tox.ini at a central place
    - do not try to install llfuse on centos6
    - fix fuse test for darwin, #1546
    - add windows virtual machine with cygwin
    - Vagrantfile cleanup / code deduplication

  Version 1.0.8 (2016-10-29)
  --------------------------

  Bug fixes:

  - RemoteRepository: Fix busy wait in call_many, #940

  New features:

  - implement borgmajor/borgminor/borgpatch placeholders, #1694
    {borgversion} was already there (full version string). With the new
    placeholders you can now also get e.g. 1 or 1.0 or 1.0.8.

  Other changes:

  - avoid previous_location mismatch, #1741

    due to the changed canonicalization for relative pathes in PR #1711 / #1655
    (implement /./ relpath hack), there would be a changed repo location warning
    and the user would be asked if this is ok. this would break automation and
    require manual intervention, which is unwanted.

    thus, we automatically fix the previous_location config entry, if it only
    changed in the expected way, but still means the same location.

  - docs:

    - deployment.rst: do not use bare variables in ansible snippet
    - add clarification about append-only mode, #1689
    - setup.py: add comment about requiring llfuse, #1726
    - update usage.rst / api.rst
    - repo url / archive location docs + typo fix
    - quickstart: add a comment about other (remote) filesystems

  - vagrant / tests:

    - no chown when rsyncing (fixes boxes w/o vagrant group)
    - fix fuse permission issues on linux/freebsd, #1544
    - skip fuse test for borg binary + fakeroot
    - ignore security.selinux xattrs, fixes tests on centos, #1735

  Version 1.0.8rc1 (2016-10-17)
  -----------------------------

  Bug fixes:

  - fix signal handling (SIGINT, SIGTERM, SIGHUP), #1620 #1593
    Fixes e.g. leftover lock files for quickly repeated signals (e.g. Ctrl-C
    Ctrl-C) or lost connections or systemd sending SIGHUP.
  - progress display: adapt formatting to narrow screens, do not crash, #1628
  - borg create --read-special - fix crash on broken symlink, #1584.
    also correctly processes broken symlinks. before this regressed to a crash
    (5b45385) a broken symlink would've been skipped.
  - process_symlink: fix missing backup_io()
    Fixes a chmod/chown/chgrp/unlink/rename/... crash race between getting
    dirents and dispatching to process_symlink.
  - yes(): abort on wrong answers, saying so, #1622
  - fixed exception borg serve raised when connection was closed before reposiory
    was openend. add an error message for this.
  - fix read-from-closed-FD issue, #1551
    (this seems not to get triggered in 1.0.x, but was discovered in master)
  - hashindex: fix iterators (always raise StopIteration when exhausted)
    (this seems not to get triggered in 1.0.x, but was discovered in master)
  - enable relative pathes in ssh:// repo URLs, via /./relpath hack, #1655
  - allow repo pathes with colons, #1705
  - update changed repo location immediately after acceptance, #1524
  - fix debug get-obj / delete-obj crash if object not found and remote repo,
    #1684
  - pyinstaller: use a spec file to build borg.exe binary, exclude osxfuse dylib
    on Mac OS X (avoids mismatch lib <-> driver), #1619

  New features:

  - add "borg key export" / "borg key import" commands, #1555, so users are able
    to backup / restore their encryption keys more easily.

    Supported formats are the keyfile format used by borg internally and a
    special "paper" format with by line checksums for printed backups. For the
    paper format, the import is an interactive process which checks each line as
    soon as it is input.
  - add "borg debug-refcount-obj" to determine a repo objects' referrer counts,
    #1352

  Other changes:

  - add "borg debug ..." subcommands
    (borg debug-* still works, but will be removed in borg 1.1)
  - setup.py: Add subcommand support to build_usage.
  - remote: change exception message for unexpected RPC data format to indicate
    dataflow direction.
  - improved messages / error reporting:

    - IntegrityError: add placeholder for message, so that the message we give
      appears not only in the traceback, but also in the (short) error message,
      #1572
    - borg.key: include chunk id in exception msgs, #1571
    - better messages for cache newer than repo, #1700
  - vagrant (testing/build VMs):

    - upgrade OSXfuse / FUSE for macOS to 3.5.2
    - update Debian Wheezy boxes, #1686
    - openbsd / netbsd: use own boxes, fixes misc rsync installation and
      fuse/llfuse related testing issues, #1695 #1696 #1670 #1671 #1728
  - docs:

    - add docs for "key export" and "key import" commands, #1641
    - fix inconsistency in FAQ (pv-wrapper).
    - fix second block in "Easy to use" section not showing on GitHub, #1576
    - add bestpractices badge
    - link reference docs and faq about BORG_FILES_CACHE_TTL, #1561
    - improve borg info --help, explain size infos, #1532
    - add release signing key / security contact to README, #1560
    - add contribution guidelines for developers
    - development.rst: add sphinx_rtd_theme to the sphinx install command
    - adjust border color in borg.css
    - add debug-info usage help file
    - internals.rst: fix typos
    - setup.py: fix build_usage to always process all commands
    - added docs explaining multiple --restrict-to-path flags, #1602
    - add more specific warning about write-access debug commands, #1587
    - clarify FAQ regarding backup of virtual machines, #1672
  - tests:

    - work around fuse xattr test issue with recent fakeroot
    - simplify repo/hashindex tests
    - travis: test fuse-enabled borg, use trusty to have a recent FUSE
    - re-enable fuse tests for RemoteArchiver (no deadlocks any more)
    - clean env for pytest based tests, #1714
    - fuse_mount contextmanager: accept any options

  [Regression Potential]
  * borgbackup has a really huge testsuite, and we run it during build/autopkgtest

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