BASH PATCH REPORT

			     =================

Bash-Release:	4.4

Patch-ID:	bash44-003

Bug-Reported-by:	op7ic \x00 <[email protected]>

Bug-Reference-ID:	<CAFHyJTopWC5Jx+U7WcvxSZKu+KrqSf+_3sHPiRWo=VzXSiPq=w@mail.gmail.com>

Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2016-11/msg00005.html

Bug-Description:

Specially-crafted input, in this case an incomplete pathname expansion

bracket expression containing an invalid collating symbol, can cause the

shell to crash.

Patch (apply with `patch -p0'):

*** ../bash-4.4/lib/glob/sm_loop.c	2016-04-10 11:23:21.000000000 -0400

--- lib/glob/sm_loop.c	2016-11-02 14:03:34.000000000 -0400

***************

*** 331,334 ****

--- 331,340 ----

      if (p[pc] == L('.') && p[pc+1] == L(']'))

        break;

+    if (p[pc] == 0)

+     {

+       if (vp)

+ 	*vp = INVALID;

+       return (p + pc);

+     }

     val = COLLSYM (p, pc);

     if (vp)

***************

*** 484,487 ****

--- 490,496 ----

        c = FOLD (c);

+       if (c == L('\0'))

+ 	return ((test == L('[')) ? savep : (CHAR *)0);

+ 

        if ((flags & FNM_PATHNAME) && c == L('/'))

  	/* [/] can never match when matching a pathname.  */

*** ../bash-4.4/patchlevel.h	2016-06-22 14:51:03.000000000 -0400

--- patchlevel.h	2016-10-01 11:01:28.000000000 -0400

***************

*** 26,30 ****

     looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 2

  #endif /* _PATCHLEVEL_H_ */

--- 26,30 ----

     looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 3

  #endif /* _PATCHLEVEL_H_ */