Original patch from gentoo: gentoo/src/patchsets/gdb/6.7/35_all_gdb-6.3-security-errata-20050610.patch

 -= BEGIN original header =-

 2005-06-09  Jeff Johnston  <jjohnstn@redhat.com>

         * gdb.base/gdbinit.exp: New testcase.

         * gdb.base/gdbinit.sample: Sample .gdbinit for gdbinit.exp.

 2005-06-08  Daniel Jacobowitz  <dan@codesourcery.com>

             Jeff Johnston  <jjohnstn@redhat.com>

         * Makefile.in (cli-cmds.o): Update.

         * configure.in: Add check for getuid.

         * configure: Regenerated.

         * config.in: Ditto.

         * main.c (captured_main): Pass -1 to source_command when loading

         gdbinit files.

         * cli/cli-cmds.c: Include "gdb_stat.h" and <fcntl.h>.

         (source_command): Update documentation.  Check permissions if

         FROM_TTY is -1.

 -= END original header =-

 diff -durN gdb-6.7.orig/gdb/cli/cli-cmds.c gdb-6.7/gdb/cli/cli-cmds.c

 --- gdb-6.7.orig/gdb/cli/cli-cmds.c	2007-08-23 20:08:47.000000000 +0200

 +++ gdb-6.7/gdb/cli/cli-cmds.c	2008-06-17 23:25:23.000000000 +0200

 @@ -36,6 +36,7 @@

  #include "objfiles.h"

  #include "source.h"

  #include "disasm.h"

 +#include "gdb_stat.h"

  #include "ui-out.h"

 @@ -459,12 +460,31 @@

    if (fd == -1)

      {

 -      if (from_tty)

 +      if (from_tty > 0)

  	perror_with_name (file);

        else

  	return;

      }

 +#ifdef HAVE_GETUID

 +  if (from_tty == -1)

 +    {

 +      struct stat statbuf;

 +      if (fstat (fd, &statbuf) < 0)

 +	{

 +	  perror_with_name (file);

 +	  close (fd);

 +	  return;

 +	}

 +      if (statbuf.st_uid != getuid () || (statbuf.st_mode & S_IWOTH))

 +	{

 +          warning (_("not using untrusted file \"%s\""), file);

 +	  close (fd);

 +	  return;

 +	}

 +    }

 +#endif

 +

    stream = fdopen (fd, FOPEN_RT);

    script_from_file (stream, file);

 diff -durN gdb-6.7.orig/gdb/main.c gdb-6.7/gdb/main.c

 --- gdb-6.7.orig/gdb/main.c	2007-08-23 20:08:36.000000000 +0200

 +++ gdb-6.7/gdb/main.c	2008-06-17 23:25:23.000000000 +0200

 @@ -688,7 +688,7 @@

        if (!inhibit_gdbinit)

  	{

 -	  catch_command_errors (source_script, homeinit, 0, RETURN_MASK_ALL);

 +	  catch_command_errors (source_script, homeinit, -1, RETURN_MASK_ALL);

  	}

        /* Do stats; no need to do them elsewhere since we'll only

 @@ -766,7 +766,7 @@

        || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))

      if (!inhibit_gdbinit)

        {

 -	catch_command_errors (source_script, gdbinit, 0, RETURN_MASK_ALL);

 +	catch_command_errors (source_script, gdbinit, -1, RETURN_MASK_ALL);

        }

    for (i = 0; i < ncmd; i++)

 diff -durN gdb-6.7.orig/gdb/Makefile.in gdb-6.7/gdb/Makefile.in

 --- gdb-6.7.orig/gdb/Makefile.in	2007-09-05 02:14:02.000000000 +0200

 +++ gdb-6.7/gdb/Makefile.in	2008-06-17 23:25:23.000000000 +0200

 @@ -2882,7 +2882,7 @@

  	$(expression_h) $(frame_h) $(value_h) $(language_h) $(filenames_h) \

  	$(objfiles_h) $(source_h) $(disasm_h) $(ui_out_h) $(top_h) \

  	$(cli_decode_h) $(cli_script_h) $(cli_setshow_h) $(cli_cmds_h) \

 -	$(tui_h)

 +	$(tui_h) $(gdb_stat_h)

  	$(CC) -c $(INTERNAL_CFLAGS) $(srcdir)/cli/cli-cmds.c

  cli-decode.o: $(srcdir)/cli/cli-decode.c $(defs_h) $(symtab_h) \

  	$(gdb_regex_h) $(gdb_string_h) $(completer_h) $(ui_out_h) \

 diff -durN gdb-6.7.orig/gdb/testsuite/gdb.base/gdbinit.exp gdb-6.7/gdb/testsuite/gdb.base/gdbinit.exp

 --- gdb-6.7.orig/gdb/testsuite/gdb.base/gdbinit.exp	1970-01-01 01:00:00.000000000 +0100

 +++ gdb-6.7/gdb/testsuite/gdb.base/gdbinit.exp	2008-06-17 23:25:23.000000000 +0200

 @@ -0,0 +1,98 @@

 +#   Copyright 2005

 +#   Free Software Foundation, Inc.

 +

 +# This program is free software; you can redistribute it and/or modify

 +# it under the terms of the GNU General Public License as published by

 +# the Free Software Foundation; either version 2 of the License, or

 +# (at your option) any later version.

 +# 

 +# This program is distributed in the hope that it will be useful,

 +# but WITHOUT ANY WARRANTY; without even the implied warranty of

 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 +# GNU General Public License for more details.

 +# 

 +# You should have received a copy of the GNU General Public License

 +# along with this program; if not, write to the Free Software

 +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

 +

 +# Please email any bugs, comments, and/or additions to this file to:

 +# bug-gdb@prep.ai.mit.edu

 +

 +# This file was written by Jeff Johnston <jjohnstn@redhat.com>.

 +

 +if $tracelevel then {

 +    strace $tracelevel

 +}

 +

 +set prms_id 0

 +set bug_id 0

 +

 +# are we on a target board

 +if [is_remote target] {

 +    return

 +}

 +

 +

 +global verbose

 +global GDB

 +global GDBFLAGS

 +global gdb_prompt

 +global timeout

 +global gdb_spawn_id;

 +                                                                                

 +gdb_stop_suppressing_tests;

 +                                                                                

 +verbose "Spawning $GDB -nw"

 +                                                                                

 +if [info exists gdb_spawn_id] {

 +    return 0;

 +}

 +                                                                                

 +if ![is_remote host] {

 +   if { [which $GDB] == 0 } then {

 +        perror "$GDB does not exist."

 +        exit 1

 +    }

 +}

 +

 +set env(HOME) [pwd]

 +remote_exec build "rm .gdbinit"

 +remote_exec build "cp ${srcdir}/${subdir}/gdbinit.sample .gdbinit"

 +remote_exec build "chmod 646 .gdbinit"

 +

 +set res [remote_spawn host "$GDB -nw [host_info gdb_opts]"];

 +if { $res < 0 || $res == "" } {

 +    perror "Spawning $GDB failed."

 +    return 1;

 +}

 +gdb_expect 360 {

 +    -re "warning: not using untrusted file.*\.gdbinit.*\[\r\n\]$gdb_prompt $" {

 +        pass "untrusted .gdbinit caught."

 +    }

 +    -re "$gdb_prompt $"     {

 +        fail "untrusted .gdbinit caught."

 +    }

 +    timeout {

 +        fail "(timeout) untrusted .gdbinit caught."

 +    }

 +}

 +

 +remote_exec build "chmod 644 .gdbinit"

 +set res [remote_spawn host "$GDB -nw [host_info gdb_opts]"];

 +if { $res < 0 || $res == "" } {

 +    perror "Spawning $GDB failed."

 +    return 1;

 +}

 +gdb_expect 360 {

 +    -re "warning: not using untrusted file.*\.gdbinit.*\[\r\n\]$gdb_prompt $" {

 +        fail "trusted .gdbinit allowed."

 +    }

 +    -re "in gdbinit.*$gdb_prompt $"     {

 +        pass "trusted .gdbinit allowed."

 +    }

 +    timeout {

 +        fail "(timeout) trusted .gdbinit allowed."

 +    }

 +}

 +

 +remote_exec build "rm .gdbinit"

 diff -durN gdb-6.7.orig/gdb/testsuite/gdb.base/gdbinit.sample gdb-6.7/gdb/testsuite/gdb.base/gdbinit.sample

 --- gdb-6.7.orig/gdb/testsuite/gdb.base/gdbinit.sample	1970-01-01 01:00:00.000000000 +0100

 +++ gdb-6.7/gdb/testsuite/gdb.base/gdbinit.sample	2008-06-17 23:25:23.000000000 +0200

 @@ -0,0 +1 @@

 +echo "\nin gdbinit"