diff options
Diffstat (limited to 'gnu/packages/patches/cpio-CVE-2014-9112-pt1.patch')
| -rw-r--r-- | gnu/packages/patches/cpio-CVE-2014-9112-pt1.patch | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/gnu/packages/patches/cpio-CVE-2014-9112-pt1.patch b/gnu/packages/patches/cpio-CVE-2014-9112-pt1.patch deleted file mode 100644 index 1224c6c22d..0000000000 --- a/gnu/packages/patches/cpio-CVE-2014-9112-pt1.patch +++ /dev/null @@ -1,231 +0,0 @@ -Partially fix CVE-2014-9112, part 1/5. Backported to 2.11. - -From 746f3ff670dcfcdd28fcc990e79cd6fccc7ae48d Mon Sep 17 00:00:00 2001 -From: Sergey Poznyakoff <gray@gnu.org.ua> -Date: Mon, 01 Dec 2014 13:15:28 +0000 -Subject: Fix memory overrun on reading improperly created link records. - -See http://lists.gnu.org/archive/html/bug-cpio/2014-11/msg00007.html - -* src/copyin.c (get_link_name): New function. -(list_file, copyin_link): use get_link_name - -* tests/symlink-bad-length.at: New file. -* tests/symlink-long.at: New file. -* tests/Makefile.am: Add new files. -* tests/testsuite.at: Likewise. ---- -diff --git a/src/copyin.c b/src/copyin.c -index 38d809f..c502c7d 100644 ---- a/src/copyin.c -+++ b/src/copyin.c -@@ -124,10 +124,30 @@ tape_skip_padding (int in_file_des, off_t offset) - if (pad != 0) - tape_toss_input (in_file_des, pad); - } -- -+ -+static char * -+get_link_name (struct cpio_file_stat *file_hdr, int in_file_des) -+{ -+ off_t n = file_hdr->c_filesize + 1; -+ char *link_name; -+ -+ if (n == 0 || n > SIZE_MAX) -+ { -+ error (0, 0, _("%s: stored filename length too big"), file_hdr->c_name); -+ link_name = NULL; -+ } -+ else -+ { -+ link_name = xmalloc (n); -+ tape_buffered_read (link_name, in_file_des, file_hdr->c_filesize); -+ link_name[file_hdr->c_filesize] = '\0'; -+ tape_skip_padding (in_file_des, file_hdr->c_filesize); -+ } -+ return link_name; -+} - - static void --list_file(struct cpio_file_stat* file_hdr, int in_file_des) -+list_file (struct cpio_file_stat* file_hdr, int in_file_des) - { - if (verbose_flag) - { -@@ -136,21 +156,16 @@ list_file(struct cpio_file_stat* file_hdr, int in_file_des) - { - if (archive_format != arf_tar && archive_format != arf_ustar) - { -- char *link_name = NULL; /* Name of hard and symbolic links. */ -- -- link_name = (char *) xmalloc ((unsigned int) file_hdr->c_filesize + 1); -- link_name[file_hdr->c_filesize] = '\0'; -- tape_buffered_read (link_name, in_file_des, file_hdr->c_filesize); -- long_format (file_hdr, link_name); -- free (link_name); -- tape_skip_padding (in_file_des, file_hdr->c_filesize); -- return; -+ char *link_name = get_link_name (file_hdr, in_file_des); -+ if (link_name) -+ { -+ long_format (file_hdr, link_name); -+ free (link_name); -+ } - } - else -- { -- long_format (file_hdr, file_hdr->c_tar_linkname); -- return; -- } -+ long_format (file_hdr, file_hdr->c_tar_linkname); -+ return; - } - else - #endif -@@ -650,10 +665,7 @@ copyin_link(struct cpio_file_stat *file_ - - if (archive_format != arf_tar && archive_format != arf_ustar) - { -- link_name = (char *) xmalloc ((unsigned int) file_hdr->c_filesize + 1); -- link_name[file_hdr->c_filesize] = '\0'; -- tape_buffered_read (link_name, in_file_des, file_hdr->c_filesize); -- tape_skip_padding (in_file_des, file_hdr->c_filesize); -+ link_name = get_link_name (file_hdr, in_file_des); - } - else - { -diff --git a/tests/Makefile.am b/tests/Makefile.am -index 3f714d1..b4ca92d 100644 ---- a/tests/Makefile.am -+++ b/tests/Makefile.am -@@ -52,6 +52,8 @@ TESTSUITE_AT = \ - setstat04.at\ - setstat05.at\ - symlink.at\ -+ symlink-bad-length.at\ -+ symlink-long.at\ - version.at - - TESTSUITE = $(srcdir)/testsuite -diff --git a/tests/symlink-bad-length.at b/tests/symlink-bad-length.at -new file mode 100644 -index 0000000..6f804b1 ---- a/dev/null -+++ b/tests/symlink-bad-length.at -@@ -0,0 +1,49 @@ -+# Process this file with autom4te to create testsuite. -*- Autotest -*- -+# Copyright (C) 2014 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 3, 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., 51 Franklin Street, Fifth Floor, Boston, MA -+# 02110-1301 USA. -+ -+# Cpio v2.11 did segfault with badly set symlink length. -+# References: -+# http://lists.gnu.org/archive/html/bug-cpio/2014-11/msg00007.html -+ -+AT_SETUP([symlink-bad-length]) -+AT_KEYWORDS([symlink-long copyout]) -+ -+AT_DATA([ARCHIVE.base64], -+[x3EjAIBAtIEtJy8nAQAAAHRUYW0FAAAADQBGSUxFAABzb21lIGNvbnRlbnQKAMdxIwBgQ/+hLScv -+JwEAAAB0VEhuBQD/////TElOSwAARklMRcdxAAAAAAAAAAAAAAEAAAAAAAAACwAAAAAAVFJBSUxF -+UiEhIQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= -+]) -+ -+AT_CHECK([ -+base64 -d ARCHIVE.base64 > ARCHIVE || AT_SKIP_TEST -+cpio -ntv < ARCHIVE -+test $? -eq 2 -+], -+[0], -+[-rw-rw-r-- 1 10029 10031 13 Nov 25 13:52 FILE -+],[cpio: LINK: stored filename length too big -+cpio: premature end of file -+]) -+ -+AT_CLEANUP -diff --git a/tests/symlink-long.at b/tests/symlink-long.at -new file mode 100644 -index 0000000..d3def2d ---- a/dev/null -+++ b/tests/symlink-long.at -@@ -0,0 +1,46 @@ -+# Process this file with autom4te to create testsuite. -*- Autotest -*- -+# Copyright (C) 2014 Free Software Foundation, Inc. -+ -+# This program is free software; you can redistribute it and/or modify -+# it under the terms of the GNU General Public License as published by -+# the Free Software Foundation; either version 3, or (at your option) -+# any later version. -+ -+# This program is distributed in the hope that it will be useful, -+# but WITHOUT ANY WARRANTY; without even the implied warranty of -+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+# GNU General Public License for more details. -+ -+# You should have received a copy of the GNU General Public License -+# along with this program; if not, write to the Free Software -+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -+# 02110-1301 USA. -+ -+# Cpio v2.11.90 changed the way symlink name is read from archive. -+# References: -+# http://lists.gnu.org/archive/html/bug-cpio/2014-11/msg00007.html -+ -+AT_SETUP([symlink-long]) -+AT_KEYWORDS([symlink-long copyout]) -+ -+AT_CHECK([ -+ -+# len(dirname) > READBUFSIZE -+dirname= -+for i in {1..52}; do -+ dirname="xxxxxxxxx/$dirname" -+ mkdir "$dirname" -+done -+ln -s "$dirname" x || AT_SKIP_TEST -+ -+echo x | cpio -o > ar -+list=`cpio -tv < ar | sed 's|.*-> ||'` -+test "$list" = "$dirname" && echo success || echo fail -+], -+[0], -+[success -+],[2 blocks -+2 blocks -+]) -+ -+AT_CLEANUP -diff --git a/tests/testsuite.at b/tests/testsuite.at -index e67689f..3b5377e 100644 ---- a/tests/testsuite.at -+++ b/tests/testsuite.at -@@ -31,6 +31,8 @@ m4_include([version.at]) - - m4_include([inout.at]) - m4_include([symlink.at]) -+m4_include([symlink-bad-length.at]) -+m4_include([symlink-long.at]) - m4_include([interdir.at]) - - m4_include([setstat01.at]) --- -cgit v0.9.0.2 |