| From https://ftp.gnu.org/gnu/bash/bash-4.4-patches/bash44-003 |
| |
| Signed-off-by: Peter Korsgaard <peter@korsgaard.com> |
| |
| 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'): |
| |
| *** a/bash-4.4/lib/glob/sm_loop.c 2016-04-10 11:23:21.000000000 -0400 |
| --- b/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. */ |
| *** a/bash-4.4/patchlevel.h 2016-06-22 14:51:03.000000000 -0400 |
| --- b/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_ */ |
