[ubuntu/bionic-updates] vim 2:8.0.1453-1ubuntu1.12 (Accepted)

Tue Apr 4 09:58:41 UTC 2023

vim (2:8.0.1453-1ubuntu1.12) bionic-security; urgency=medium

  * SECURITY UPDATE: use after free
    - debian/patches/CVE-2022-0413.patch: make a copy of the substitute pattern
      that starts with "\=" in do_sub() in src/ex_cmds.c and free it at the end
      of the method and add test case Test_using_old_sub in
      src/testdir/test_CVE.vim.
    - debian/patches/CVE-2022-1796.patch: make a copy of the pattern to search
      for as it could get freed in do_window() in src/window.c and add test
      case Test_define_search in src/testdir/test_CVE.vim.
    - debian/patches/CVE-2022-1898.patch: make a copy of the string as it could
      get freed in nv_brackets() in src/normal.c, and add a test inside the
      Test_define_search test case in src/testdir/test_CVE.vim.
    - debian/patches/CVE-2022-1968.patch: mitigates the potential for a use
      after free scenario by making a copy of a buffer to use for future
      reference
    - debian/patches/CVE-2022-2946.patch: using freed memory when 'tagfunc'
      deletes the buffer
    - CVE-2022-0413
    - CVE-2022-1796
    - CVE-2022-1898
    - CVE-2022-1968
    - CVE-2022-2946
  * SECURITY UPDATE: buffer over-read
    - debian/patches/CVE-2022-1629.patch: add a check for null after a
      backslash in find_next_quote() in src/search.c and add test case
      Test_string_html_objects in src/testdir/test_CVE.vim.
    - debian/patches/CVE-2022-1720.patch: reading past end of line with "gf" in
      Visual block mode
    - debian/patches/CVE-2022-1733.patch: add a check for null when checking
      for trailing ' in skip_string() in src/misc1.c and add test case
      Test_cindent_check_funcdecl in src/testdir/test_CVE.vim.
    - debian/patches/CVE-2022-1735.patch: add a new function, check_visual_pos
      in src/misc2.c and invoke it in src/change.c and src/edit.c. Add the new
      function header in src/proto/misc2.pro and add test case
      Test_visual_block_with_substitute in src/testdir/test_visual.vim.
    - debian/patches/CVE-2022-1851.patch: add a call to check_cursor() after
      formatting in op_format() in src/ops.c and add test case
      Test_correct_cursor_position in src/testdir/test_CVE.vim.
    - debian/patches/CVE-2022-2845.patch: reading before the start of the line
    - CVE-2022-1629
    - CVE-2022-1720
    - CVE-2022-1733
    - CVE-2022-1735
    - CVE-2022-1851
    - CVE-2022-2845
  * SECURITY UPDATE: crash when matching buffer with invalid pattern
    - debian/patches/CVE-2022-1674.patch: check for NULL regprog
    - CVE-2022-1674
  * SECURITY UPDATE: buffer over-write
    - debian/patches/CVE-2022-1785.patch: add textlock flag to disallow
      changing text or switching window before calling vim_regsub_multi() in
      src/ex_cmds.c.
    - CVE-2022-1785
  * SECURITY UPDATE: heap-based buffer overflow
    - debian/patches/CVE-2022-1942.patch: adds a control to disallow the
      opening of a command line window when text or buffer is locked.
    - debian/patches/CVE-2022-2571.patch: reading past end of line with insert
      mode completion
    - debian/patches/CVE-2022-2849.patch: invalid memory access with for loop
      over NULL string
    - CVE-2022-1942
    - CVE-2022-2571
    - CVE-2022-2849
  * SECURITY UPDATE: searching for quotes may go over the end of the line
    - debian/patches/CVE-2022-2124.patch: check for running into the NULL
    - CVE-2022-2124
  * SECURITY UPDATE: lisp indenting my run over the end of the line
    - debian/patches/CVE-2022-2125.patch: check for NULL earlier
    - CVE-2022-2125
  * SECURITY UPDATE: using invalid index when looking for spell suggestions
    - debian/patches/CVE-2022-2126.patch: do not decrement the index when it
      is zero
    - CVE-2022-2126
  * SECURITY UPDATE: out-of-bounds write
    - debian/patches/CVE-2022-2129.patch: prevents the editing of another file
      when either curbuf_lock or textlock is set.
    - CVE-2022-2129
  * SECURITY UPDATE: invalid memory access when using an expression on the
    command line
    - debian/patches/CVE-2022-2175-1.patch: make sure the position does not
      go negative
    - debian/patches/CVE-2022-2175-2.patch: add missing #ifdef FEAT_EVAL
    - CVE-2022-2175
  * SECURITY UPDATE: reading beyond the end of the line with lisp indenting
    - debian/patches/CVE-2022-2183.patch: avoid going over the NUL at the end
      of the line
    - CVE-2022-2183
  * SECURITY UPDATE: accessing invalid memory after changing terminal size
    - debian/patches/CVE-2022-2206.patch: adjust cmdline_row and msg_row to
      the value of Rows
    - CVE-2022-2206
  * SECURITY UPDATE: spell dump may go beyond end of an array
    - debian/patches/CVE-2022-2304.patch: limit the word length
    - CVE-2022-2304
  * SECURITY UPDATE: using freed memory with recursive substitution
    - debian/patches/CVE-2022-2345.patch: always make a copy of
      reg_prev_sub
    - CVE-2022-2345
  * SECURITY UPDATE: illegal memory access when pattern starts with
    illegal byte
    - debian/patches/CVE-2022-2581.patch: do not match a character with an
      illegal byte
    - CVE-2022-2581
  * SECURITY UPDATE: null pointer dereference issue
    - debian/patches/CVE-2022-2923.patch: crash when using ":mkspell" with an
      empty .dic file
    - CVE-2022-2923

Date: 2023-04-03 07:08:36.706107+00:00
Changed-By: Nishit Majithia <nishit.majithia at canonical.com>
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/vim/2:8.0.1453-1ubuntu1.12
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