slackware-current/source/a/bash/bash-4.4-patches/bash44-003
Patrick J Volkerding 646a5c1cbf Mon May 28 19:12:29 UTC 2018
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2018-05-31 23:39:35 +02:00

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BASH PATCH REPORT
=================
Bash-Release: 4.4
Patch-ID: bash44-003
Bug-Reported-by: op7ic \x00 <op7ica@gmail.com>
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_ */