BASH PATCH REPORT
=================
Bash-Release: 4.3
Patch-ID: bash43-029
Bug-Reported-by: Michal Zalewski <
[email protected]>
Bug-Reference-ID:
Bug-Reference-URL:
Bug-Description:
When bash is parsing a function definition that contains a here-document
delimited by end-of-file (or end-of-string), it leaves the closing delimiter
uninitialized. This can result in an invalid memory access when the parsed
function is later copied.
Patch (apply with `patch -p0'):
*** ../bash-4.3.28/make_cmd.c 2011-12-16 08:08:01.000000000 -0500
--- make_cmd.c 2014-10-02 11:24:23.000000000 -0400
***************
*** 693,696 ****
--- 693,697 ----
temp->redirector = source;
temp->redirectee = dest_and_filename;
+ temp->here_doc_eof = 0;
temp->instruction = instruction;
temp->flags = 0;
*** ../bash-4.3.28/copy_cmd.c 2009-09-11 16:28:02.000000000 -0400
--- copy_cmd.c 2014-10-02 11:24:23.000000000 -0400
***************
*** 127,131 ****
case r_reading_until:
case r_deblank_reading_until:
! new_redirect->here_doc_eof = savestring (redirect->here_doc_eof);
/*FALLTHROUGH*/
case r_reading_string:
--- 127,131 ----
case r_reading_until:
case r_deblank_reading_until:
! new_redirect->here_doc_eof = redirect->here_doc_eof ? savestring (redirect->here_doc_eof) : 0;
/*FALLTHROUGH*/
case r_reading_string:
*** ../bash-4.3/patchlevel.h 2012-12-29 10:47:57.000000000 -0500
--- patchlevel.h 2014-03-20 20:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 28
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 29
#endif /* _PATCHLEVEL_H_ */
