diff options
Diffstat (limited to 'meta/recipes-devtools/patch')
12 files changed, 716 insertions, 16 deletions
diff --git a/meta/recipes-devtools/patch/patch.inc b/meta/recipes-devtools/patch/patch.inc index cbfb8cfcf5..a12d426b2c 100644 --- a/meta/recipes-devtools/patch/patch.inc +++ b/meta/recipes-devtools/patch/patch.inc @@ -10,5 +10,5 @@ S = "${WORKDIR}/patch-${PV}" inherit autotools update-alternatives -ALTERNATIVE_${PN} = "patch" +ALTERNATIVE:${PN} = "patch" ALTERNATIVE_PRIORITY = "100" diff --git a/meta/recipes-devtools/patch/patch/0001-Don-t-leak-temporary-file-on-failed-ed-style-patch.patch b/meta/recipes-devtools/patch/patch/0001-Don-t-leak-temporary-file-on-failed-ed-style-patch.patch new file mode 100644 index 0000000000..78345e925e --- /dev/null +++ b/meta/recipes-devtools/patch/patch/0001-Don-t-leak-temporary-file-on-failed-ed-style-patch.patch @@ -0,0 +1,94 @@ +From 7f770b9c20da1a192dad8cb572a6391f2773285a Mon Sep 17 00:00:00 2001 +From: Jean Delvare <jdelvare@suse.de> +Date: Thu, 3 May 2018 14:31:55 +0200 +Subject: [PATCH 1/2] Don't leak temporary file on failed ed-style patch + +Now that we write ed-style patches to a temporary file before we +apply them, we need to ensure that the temporary file is removed +before we leave, even on fatal error. + +* src/pch.c (do_ed_script): Use global TMPEDNAME instead of local + tmpname. Don't unlink the file directly, instead tag it for removal + at exit time. +* src/patch.c (cleanup): Unlink TMPEDNAME at exit. + +This closes bug #53820: +https://savannah.gnu.org/bugs/index.php?53820 + +Fixes: 123eaff0d5d1 ("Fix arbitrary command execution in ed-style patches (CVE-2018-1000156)") + +CVE: CVE-2018-1000156 +Upstream-Status: Backport [http://git.savannah.gnu.org/cgit/patch.git/commit/?id=19599883ffb6a450d2884f081f8ecf68edbed7ee] +Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> +--- + src/common.h | 2 ++ + src/pch.c | 12 +++++------- + 2 files changed, 7 insertions(+), 7 deletions(-) + +diff --git a/src/common.h b/src/common.h +index ec50b40..22238b5 100644 +--- a/src/common.h ++++ b/src/common.h +@@ -94,10 +94,12 @@ XTERN char const *origsuff; + XTERN char const * TMPINNAME; + XTERN char const * TMPOUTNAME; + XTERN char const * TMPPATNAME; ++XTERN char const * TMPEDNAME; + + XTERN bool TMPINNAME_needs_removal; + XTERN bool TMPOUTNAME_needs_removal; + XTERN bool TMPPATNAME_needs_removal; ++XTERN bool TMPEDNAME_needs_removal; + + #ifdef DEBUGGING + XTERN int debug; +diff --git a/src/pch.c b/src/pch.c +index 16e001a..c1a62cf 100644 +--- a/src/pch.c ++++ b/src/pch.c +@@ -2392,7 +2392,6 @@ do_ed_script (char const *inname, char const *outname, + file_offset beginning_of_this_line; + size_t chars_read; + FILE *tmpfp = 0; +- char const *tmpname; + int tmpfd; + pid_t pid; + +@@ -2404,12 +2403,13 @@ do_ed_script (char const *inname, char const *outname, + invalid commands and treats the next line as a new command, which + can lead to arbitrary command execution. */ + +- tmpfd = make_tempfile (&tmpname, 'e', NULL, O_RDWR | O_BINARY, 0); ++ tmpfd = make_tempfile (&TMPEDNAME, 'e', NULL, O_RDWR | O_BINARY, 0); + if (tmpfd == -1) +- pfatal ("Can't create temporary file %s", quotearg (tmpname)); ++ pfatal ("Can't create temporary file %s", quotearg (TMPEDNAME)); ++ TMPEDNAME_needs_removal = true; + tmpfp = fdopen (tmpfd, "w+b"); + if (! tmpfp) +- pfatal ("Can't open stream for file %s", quotearg (tmpname)); ++ pfatal ("Can't open stream for file %s", quotearg (TMPEDNAME)); + } + + for (;;) { +@@ -2449,8 +2449,7 @@ do_ed_script (char const *inname, char const *outname, + write_fatal (); + + if (lseek (tmpfd, 0, SEEK_SET) == -1) +- pfatal ("Can't rewind to the beginning of file %s", quotearg (tmpname)); +- ++ pfatal ("Can't rewind to the beginning of file %s", quotearg (TMPEDNAME)); + if (! dry_run && ! skip_rest_of_patch) { + int exclusive = *outname_needs_removal ? 0 : O_EXCL; + *outname_needs_removal = true; +@@ -2482,7 +2481,6 @@ do_ed_script (char const *inname, char const *outname, + } + + fclose (tmpfp); +- safe_unlink (tmpname); + + if (ofp) + { +-- +2.17.0 + diff --git a/meta/recipes-devtools/patch/patch/0001-Don-t-leak-temporary-file-on-failed-multi-file-ed.patch b/meta/recipes-devtools/patch/patch/0001-Don-t-leak-temporary-file-on-failed-multi-file-ed.patch new file mode 100644 index 0000000000..8ffffef47e --- /dev/null +++ b/meta/recipes-devtools/patch/patch/0001-Don-t-leak-temporary-file-on-failed-multi-file-ed.patch @@ -0,0 +1,81 @@ +From 369dcccdfa6336e5a873d6d63705cfbe04c55727 Mon Sep 17 00:00:00 2001 +From: Jean Delvare <jdelvare@suse.de> +Date: Mon, 7 May 2018 15:14:45 +0200 +Subject: Don't leak temporary file on failed multi-file ed-style patch + +The previous fix worked fine with single-file ed-style patches, but +would still leak temporary files in the case of multi-file ed-style +patch. Fix that case as well, and extend the test case to check for +it. + +* src/patch.c (main): Unlink TMPEDNAME if needed before moving to + the next file in a patch. + +This closes bug #53820: +https://savannah.gnu.org/bugs/index.php?53820 + +Fixes: 123eaff0d5d1 ("Fix arbitrary command execution in ed-style patches (CVE-2018-1000156)") +Fixes: 19599883ffb6 ("Don't leak temporary file on failed ed-style patch") + +CVE: CVE-2018-1000156 +Upstream-Status: Backport [http://git.savannah.gnu.org/cgit/patch.git/commit/?id=369dcccdfa6336e5a873d6d63705cfbe04c55727] +Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> +--- + src/patch.c | 1 + + tests/ed-style | 31 +++++++++++++++++++++++++++++++ + 2 files changed, 32 insertions(+) + +diff --git a/src/patch.c b/src/patch.c +index 9146597..81c7a02 100644 +--- a/src/patch.c ++++ b/src/patch.c +@@ -236,6 +236,7 @@ main (int argc, char **argv) + } + remove_if_needed (TMPOUTNAME, &TMPOUTNAME_needs_removal); + } ++ remove_if_needed (TMPEDNAME, &TMPEDNAME_needs_removal); + + if (! skip_rest_of_patch && ! file_type) + { +diff --git a/tests/ed-style b/tests/ed-style +index 6b6ef9d..504e6e5 100644 +--- a/tests/ed-style ++++ b/tests/ed-style +@@ -38,3 +38,34 @@ EOF + check 'cat foo' <<EOF + foo + EOF ++ ++# Test the case where one ed-style patch modifies several files ++ ++cat > ed3.diff <<EOF ++--- foo +++++ foo ++1c ++bar ++. ++--- baz +++++ baz ++0a ++baz ++. ++EOF ++ ++# Apparently we can't create a file with such a patch, while it works fine ++# when the file name is provided on the command line ++cat > baz <<EOF ++EOF ++ ++check 'patch -e -i ed3.diff' <<EOF ++EOF ++ ++check 'cat foo' <<EOF ++bar ++EOF ++ ++check 'cat baz' <<EOF ++baz ++EOF +-- +cgit v1.0-41-gc330 + diff --git a/meta/recipes-devtools/patch/patch/0001-Fix-swapping-fake-lines-in-pch_swap.patch b/meta/recipes-devtools/patch/patch/0001-Fix-swapping-fake-lines-in-pch_swap.patch new file mode 100644 index 0000000000..049149eb9e --- /dev/null +++ b/meta/recipes-devtools/patch/patch/0001-Fix-swapping-fake-lines-in-pch_swap.patch @@ -0,0 +1,36 @@ +From 9c986353e420ead6e706262bf204d6e03322c300 Mon Sep 17 00:00:00 2001 +From: Andreas Gruenbacher <agruen@gnu.org> +Date: Fri, 17 Aug 2018 13:35:40 +0200 +Subject: [PATCH] Fix swapping fake lines in pch_swap + +* src/pch.c (pch_swap): Fix swapping p_bfake and p_efake when there is a +blank line in the middle of a context-diff hunk: that empty line stays +in the middle of the hunk and isn't swapped. + +Fixes: https://savannah.gnu.org/bugs/index.php?53133 +Signed-off-by: Andreas Gruenbacher <agruen@gnu.org> + +Upstream-Status: Backport [https://git.savannah.gnu.org/git/patch.git] +CVE: CVE-2018-6952 +Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> + +--- + src/pch.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/pch.c b/src/pch.c +index e92bc64..a500ad9 100644 +--- a/src/pch.c ++++ b/src/pch.c +@@ -2122,7 +2122,7 @@ pch_swap (void) + } + if (p_efake >= 0) { /* fix non-freeable ptr range */ + if (p_efake <= i) +- n = p_end - i + 1; ++ n = p_end - p_ptrn_lines; + else + n = -i; + p_efake += n; +-- +2.10.2 + diff --git a/meta/recipes-devtools/patch/patch/0001-Invoke-ed-directly-instead-of-using-the-shell.patch b/meta/recipes-devtools/patch/patch/0001-Invoke-ed-directly-instead-of-using-the-shell.patch new file mode 100644 index 0000000000..d13d419f51 --- /dev/null +++ b/meta/recipes-devtools/patch/patch/0001-Invoke-ed-directly-instead-of-using-the-shell.patch @@ -0,0 +1,44 @@ +From 3fcd042d26d70856e826a42b5f93dc4854d80bf0 Mon Sep 17 00:00:00 2001 +From: Andreas Gruenbacher <agruen@gnu.org> +Date: Fri, 6 Apr 2018 19:36:15 +0200 +Subject: [PATCH] Invoke ed directly instead of using the shell + +* src/pch.c (do_ed_script): Invoke ed directly instead of using a shell +command to avoid quoting vulnerabilities. + +CVE: CVE-2019-13638 CVE-2018-20969 +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/patch.git/patch/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0] +Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com> + +--- + src/pch.c | 6 ++---- + 1 file changed, 2 insertions(+), 4 deletions(-) + + +diff --git a/src/pch.c b/src/pch.c +index 4fd5a05..16e001a 100644 +--- a/src/pch.c ++++ b/src/pch.c +@@ -2459,9 +2459,6 @@ do_ed_script (char const *inname, char const *outname, + *outname_needs_removal = true; + copy_file (inname, outname, 0, exclusive, instat.st_mode, true); + } +- sprintf (buf, "%s %s%s", editor_program, +- verbosity == VERBOSE ? "" : "- ", +- outname); + fflush (stdout); + + pid = fork(); +@@ -2470,7 +2467,8 @@ do_ed_script (char const *inname, char const *outname, + else if (pid == 0) + { + dup2 (tmpfd, 0); +- execl ("/bin/sh", "sh", "-c", buf, (char *) 0); ++ assert (outname[0] != '!' && outname[0] != '-'); ++ execlp (editor_program, editor_program, "-", outname, (char *) NULL); + _exit (2); + } + else +-- +2.7.4 + diff --git a/meta/recipes-devtools/patch/patch/0002-Fix-segfault-with-mangled-rename-patch.patch b/meta/recipes-devtools/patch/patch/0002-Fix-segfault-with-mangled-rename-patch.patch new file mode 100644 index 0000000000..b0bd6fa83a --- /dev/null +++ b/meta/recipes-devtools/patch/patch/0002-Fix-segfault-with-mangled-rename-patch.patch @@ -0,0 +1,35 @@ +From f290f48a621867084884bfff87f8093c15195e6a Mon Sep 17 00:00:00 2001 +From: Andreas Gruenbacher <agruen@gnu.org> +Date: Mon, 12 Feb 2018 16:48:24 +0100 +Subject: [PATCH] Fix segfault with mangled rename patch + +http://savannah.gnu.org/bugs/?53132 +* src/pch.c (intuit_diff_type): Ensure that two filenames are specified +for renames and copies (fix the existing check). + +Upstream-Status: Backport [http://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a] +CVE: CVE-2018-6951 + +Signed-off-by: Jackie Huang <jackie.huang@windriver.com> + +--- + src/pch.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/src/pch.c b/src/pch.c +index ff9ed2c..bc6278c 100644 +--- a/src/pch.c ++++ b/src/pch.c +@@ -974,7 +974,8 @@ intuit_diff_type (bool need_header, mode_t *p_file_type) + if ((pch_rename () || pch_copy ()) + && ! inname + && ! ((i == OLD || i == NEW) && +- p_name[! reverse] && ++ p_name[reverse] && p_name[! reverse] && ++ name_is_valid (p_name[reverse]) && + name_is_valid (p_name[! reverse]))) + { + say ("Cannot %s file without two valid file names\n", pch_rename () ? "rename" : "copy"); +-- +2.7.4 + diff --git a/meta/recipes-devtools/patch/patch/0003-Allow-input-files-to-be-missing-for-ed-style-patches.patch b/meta/recipes-devtools/patch/patch/0003-Allow-input-files-to-be-missing-for-ed-style-patches.patch new file mode 100644 index 0000000000..2a09d0c03b --- /dev/null +++ b/meta/recipes-devtools/patch/patch/0003-Allow-input-files-to-be-missing-for-ed-style-patches.patch @@ -0,0 +1,38 @@ +From b5a91a01e5d0897facdd0f49d64b76b0f02b43e1 Mon Sep 17 00:00:00 2001 +From: Andreas Gruenbacher <agruen@gnu.org> +Date: Fri, 6 Apr 2018 11:34:51 +0200 +Subject: [PATCH] Allow input files to be missing for ed-style patches + +* src/pch.c (do_ed_script): Allow input files to be missing so that new +files will be created as with non-ed-style patches. + +Upstream-Status: Backport [http://git.savannah.gnu.org/cgit/patch.git/commit/?id=b5a91a01e5d0897facdd0f49d64b76b0f02b43e1] +CVE: CVE-2018-1000156 + +Signed-off-by: Jackie Huang <jackie.huang@windriver.com> +--- + src/pch.c | 8 +++++--- + 1 file changed, 5 insertions(+), 3 deletions(-) + +diff --git a/src/pch.c b/src/pch.c +index bc6278c..0c5cc26 100644 +--- a/src/pch.c ++++ b/src/pch.c +@@ -2394,9 +2394,11 @@ do_ed_script (char const *inname, char const *outname, + + if (! dry_run && ! skip_rest_of_patch) { + int exclusive = *outname_needs_removal ? 0 : O_EXCL; +- assert (! inerrno); +- *outname_needs_removal = true; +- copy_file (inname, outname, 0, exclusive, instat.st_mode, true); ++ if (inerrno != ENOENT) ++ { ++ *outname_needs_removal = true; ++ copy_file (inname, outname, 0, exclusive, instat.st_mode, true); ++ } + sprintf (buf, "%s %s%s", editor_program, + verbosity == VERBOSE ? "" : "- ", + outname); +-- +2.7.4 + diff --git a/meta/recipes-devtools/patch/patch/0004-Fix-arbitrary-command-execution-in-ed-style-patches-.patch b/meta/recipes-devtools/patch/patch/0004-Fix-arbitrary-command-execution-in-ed-style-patches-.patch new file mode 100644 index 0000000000..d74c2f182e --- /dev/null +++ b/meta/recipes-devtools/patch/patch/0004-Fix-arbitrary-command-execution-in-ed-style-patches-.patch @@ -0,0 +1,215 @@ +From 123eaff0d5d1aebe128295959435b9ca5909c26d Mon Sep 17 00:00:00 2001 +From: Andreas Gruenbacher <agruen@gnu.org> +Date: Fri, 6 Apr 2018 12:14:49 +0200 +Subject: [PATCH] Fix arbitrary command execution in ed-style patches (CVE-2018-1000156) + +* src/pch.c (do_ed_script): Write ed script to a temporary file instead +of piping it to ed: this will cause ed to abort on invalid commands +instead of rejecting them and carrying on. +* tests/ed-style: New test case. +* tests/Makefile.am (TESTS): Add test case. + +Upstream-Status: Backport [http://git.savannah.gnu.org/cgit/patch.git/commit/?id=123eaff0d5d1aebe128295959435b9ca5909c26d] +CVE: CVE-2018-1000156 + +Signed-off-by: Jackie Huang <jackie.huang@windriver.com> +--- + src/pch.c | 91 ++++++++++++++++++++++++++++++++++++++++--------------- + tests/Makefile.am | 1 + + tests/ed-style | 41 +++++++++++++++++++++++++ + 3 files changed, 108 insertions(+), 25 deletions(-) + create mode 100644 tests/ed-style + +diff --git a/src/pch.c b/src/pch.c +index 0c5cc26..4fd5a05 100644 +--- a/src/pch.c ++++ b/src/pch.c +@@ -33,6 +33,7 @@ + # include <io.h> + #endif + #include <safe.h> ++#include <sys/wait.h> + + #define INITHUNKMAX 125 /* initial dynamic allocation size */ + +@@ -2389,24 +2390,28 @@ do_ed_script (char const *inname, char const *outname, + static char const editor_program[] = EDITOR_PROGRAM; + + file_offset beginning_of_this_line; +- FILE *pipefp = 0; + size_t chars_read; ++ FILE *tmpfp = 0; ++ char const *tmpname; ++ int tmpfd; ++ pid_t pid; ++ ++ if (! dry_run && ! skip_rest_of_patch) ++ { ++ /* Write ed script to a temporary file. This causes ed to abort on ++ invalid commands such as when line numbers or ranges exceed the ++ number of available lines. When ed reads from a pipe, it rejects ++ invalid commands and treats the next line as a new command, which ++ can lead to arbitrary command execution. */ ++ ++ tmpfd = make_tempfile (&tmpname, 'e', NULL, O_RDWR | O_BINARY, 0); ++ if (tmpfd == -1) ++ pfatal ("Can't create temporary file %s", quotearg (tmpname)); ++ tmpfp = fdopen (tmpfd, "w+b"); ++ if (! tmpfp) ++ pfatal ("Can't open stream for file %s", quotearg (tmpname)); ++ } + +- if (! dry_run && ! skip_rest_of_patch) { +- int exclusive = *outname_needs_removal ? 0 : O_EXCL; +- if (inerrno != ENOENT) +- { +- *outname_needs_removal = true; +- copy_file (inname, outname, 0, exclusive, instat.st_mode, true); +- } +- sprintf (buf, "%s %s%s", editor_program, +- verbosity == VERBOSE ? "" : "- ", +- outname); +- fflush (stdout); +- pipefp = popen(buf, binary_transput ? "wb" : "w"); +- if (!pipefp) +- pfatal ("Can't open pipe to %s", quotearg (buf)); +- } + for (;;) { + char ed_command_letter; + beginning_of_this_line = file_tell (pfp); +@@ -2417,14 +2422,14 @@ do_ed_script (char const *inname, char const *outname, + } + ed_command_letter = get_ed_command_letter (buf); + if (ed_command_letter) { +- if (pipefp) +- if (! fwrite (buf, sizeof *buf, chars_read, pipefp)) ++ if (tmpfp) ++ if (! fwrite (buf, sizeof *buf, chars_read, tmpfp)) + write_fatal (); + if (ed_command_letter != 'd' && ed_command_letter != 's') { + p_pass_comments_through = true; + while ((chars_read = get_line ()) != 0) { +- if (pipefp) +- if (! fwrite (buf, sizeof *buf, chars_read, pipefp)) ++ if (tmpfp) ++ if (! fwrite (buf, sizeof *buf, chars_read, tmpfp)) + write_fatal (); + if (chars_read == 2 && strEQ (buf, ".\n")) + break; +@@ -2437,13 +2442,49 @@ do_ed_script (char const *inname, char const *outname, + break; + } + } +- if (!pipefp) ++ if (!tmpfp) + return; +- if (fwrite ("w\nq\n", sizeof (char), (size_t) 4, pipefp) == 0 +- || fflush (pipefp) != 0) ++ if (fwrite ("w\nq\n", sizeof (char), (size_t) 4, tmpfp) == 0 ++ || fflush (tmpfp) != 0) + write_fatal (); +- if (pclose (pipefp) != 0) +- fatal ("%s FAILED", editor_program); ++ ++ if (lseek (tmpfd, 0, SEEK_SET) == -1) ++ pfatal ("Can't rewind to the beginning of file %s", quotearg (tmpname)); ++ ++ if (! dry_run && ! skip_rest_of_patch) { ++ int exclusive = *outname_needs_removal ? 0 : O_EXCL; ++ *outname_needs_removal = true; ++ if (inerrno != ENOENT) ++ { ++ *outname_needs_removal = true; ++ copy_file (inname, outname, 0, exclusive, instat.st_mode, true); ++ } ++ sprintf (buf, "%s %s%s", editor_program, ++ verbosity == VERBOSE ? "" : "- ", ++ outname); ++ fflush (stdout); ++ ++ pid = fork(); ++ if (pid == -1) ++ pfatal ("Can't fork"); ++ else if (pid == 0) ++ { ++ dup2 (tmpfd, 0); ++ execl ("/bin/sh", "sh", "-c", buf, (char *) 0); ++ _exit (2); ++ } ++ else ++ { ++ int wstatus; ++ if (waitpid (pid, &wstatus, 0) == -1 ++ || ! WIFEXITED (wstatus) ++ || WEXITSTATUS (wstatus) != 0) ++ fatal ("%s FAILED", editor_program); ++ } ++ } ++ ++ fclose (tmpfp); ++ safe_unlink (tmpname); + + if (ofp) + { +diff --git a/tests/Makefile.am b/tests/Makefile.am +index 6b6df63..16f8693 100644 +--- a/tests/Makefile.am ++++ b/tests/Makefile.am +@@ -32,6 +32,7 @@ TESTS = \ + crlf-handling \ + dash-o-append \ + deep-directories \ ++ ed-style \ + empty-files \ + false-match \ + fifo \ +diff --git a/tests/ed-style b/tests/ed-style +new file mode 100644 +index 0000000..d8c0689 +--- /dev/null ++++ b/tests/ed-style +@@ -0,0 +1,41 @@ ++# Copyright (C) 2018 Free Software Foundation, Inc. ++# ++# Copying and distribution of this file, with or without modification, ++# in any medium, are permitted without royalty provided the copyright ++# notice and this notice are preserved. ++ ++. $srcdir/test-lib.sh ++ ++require cat ++use_local_patch ++use_tmpdir ++ ++# ============================================================== ++ ++cat > ed1.diff <<EOF ++0a ++foo ++. ++EOF ++ ++check 'patch -e foo -i ed1.diff' <<EOF ++EOF ++ ++check 'cat foo' <<EOF ++foo ++EOF ++ ++cat > ed2.diff <<EOF ++1337a ++r !echo bar ++,p ++EOF ++ ++check 'patch -e foo -i ed2.diff 2> /dev/null || echo "Status: $?"' <<EOF ++? ++Status: 2 ++EOF ++ ++check 'cat foo' <<EOF ++foo ++EOF +-- +2.7.4 + diff --git a/meta/recipes-devtools/patch/patch/CVE-2019-13636.patch b/meta/recipes-devtools/patch/patch/CVE-2019-13636.patch new file mode 100644 index 0000000000..8059d9fe19 --- /dev/null +++ b/meta/recipes-devtools/patch/patch/CVE-2019-13636.patch @@ -0,0 +1,113 @@ +From dce4683cbbe107a95f1f0d45fabc304acfb5d71a Mon Sep 17 00:00:00 2001 +From: Andreas Gruenbacher <agruen@gnu.org> +Date: Mon, 15 Jul 2019 16:21:48 +0200 +Subject: Don't follow symlinks unless --follow-symlinks is given + +* src/inp.c (plan_a, plan_b), src/util.c (copy_to_fd, copy_file, +append_to_file): Unless the --follow-symlinks option is given, open files with +the O_NOFOLLOW flag to avoid following symlinks. So far, we were only doing +that consistently for input files. +* src/util.c (create_backup): When creating empty backup files, (re)create them +with O_CREAT | O_EXCL to avoid following symlinks in that case as well. + +CVE: CVE-2019-13636 +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/patch.git/patch/?id=dce4683cbbe107a95f1f0d45fabc304acfb5d71a] +Signed-off-by: Anuj Mittal <anuj.mittal@intel.com> + +--- + src/inp.c | 12 ++++++++++-- + src/util.c | 14 +++++++++++--- + 2 files changed, 21 insertions(+), 5 deletions(-) + +diff --git a/src/inp.c b/src/inp.c +index 32d0919..22d7473 100644 +--- a/src/inp.c ++++ b/src/inp.c +@@ -238,8 +238,13 @@ plan_a (char const *filename) + { + if (S_ISREG (instat.st_mode)) + { +- int ifd = safe_open (filename, O_RDONLY|binary_transput, 0); ++ int flags = O_RDONLY | binary_transput; + size_t buffered = 0, n; ++ int ifd; ++ ++ if (! follow_symlinks) ++ flags |= O_NOFOLLOW; ++ ifd = safe_open (filename, flags, 0); + if (ifd < 0) + pfatal ("can't open file %s", quotearg (filename)); + +@@ -340,6 +345,7 @@ plan_a (char const *filename) + static void + plan_b (char const *filename) + { ++ int flags = O_RDONLY | binary_transput; + int ifd; + FILE *ifp; + int c; +@@ -353,7 +359,9 @@ plan_b (char const *filename) + + if (instat.st_size == 0) + filename = NULL_DEVICE; +- if ((ifd = safe_open (filename, O_RDONLY | binary_transput, 0)) < 0 ++ if (! follow_symlinks) ++ flags |= O_NOFOLLOW; ++ if ((ifd = safe_open (filename, flags, 0)) < 0 + || ! (ifp = fdopen (ifd, binary_transput ? "rb" : "r"))) + pfatal ("Can't open file %s", quotearg (filename)); + if (TMPINNAME_needs_removal) +diff --git a/src/util.c b/src/util.c +index 1cc08ba..fb38307 100644 +--- a/src/util.c ++++ b/src/util.c +@@ -388,7 +388,7 @@ create_backup (char const *to, const struct stat *to_st, bool leave_original) + + try_makedirs_errno = ENOENT; + safe_unlink (bakname); +- while ((fd = safe_open (bakname, O_CREAT | O_WRONLY | O_TRUNC, 0666)) < 0) ++ while ((fd = safe_open (bakname, O_CREAT | O_EXCL | O_WRONLY | O_TRUNC, 0666)) < 0) + { + if (errno != try_makedirs_errno) + pfatal ("Can't create file %s", quotearg (bakname)); +@@ -579,10 +579,13 @@ create_file (char const *file, int open_flags, mode_t mode, + static void + copy_to_fd (const char *from, int tofd) + { ++ int from_flags = O_RDONLY | O_BINARY; + int fromfd; + ssize_t i; + +- if ((fromfd = safe_open (from, O_RDONLY | O_BINARY, 0)) < 0) ++ if (! follow_symlinks) ++ from_flags |= O_NOFOLLOW; ++ if ((fromfd = safe_open (from, from_flags, 0)) < 0) + pfatal ("Can't reopen file %s", quotearg (from)); + while ((i = read (fromfd, buf, bufsize)) != 0) + { +@@ -625,6 +628,8 @@ copy_file (char const *from, char const *to, struct stat *tost, + else + { + assert (S_ISREG (mode)); ++ if (! follow_symlinks) ++ to_flags |= O_NOFOLLOW; + tofd = create_file (to, O_WRONLY | O_BINARY | to_flags, mode, + to_dir_known_to_exist); + copy_to_fd (from, tofd); +@@ -640,9 +645,12 @@ copy_file (char const *from, char const *to, struct stat *tost, + void + append_to_file (char const *from, char const *to) + { ++ int to_flags = O_WRONLY | O_APPEND | O_BINARY; + int tofd; + +- if ((tofd = safe_open (to, O_WRONLY | O_BINARY | O_APPEND, 0)) < 0) ++ if (! follow_symlinks) ++ to_flags |= O_NOFOLLOW; ++ if ((tofd = safe_open (to, to_flags, 0)) < 0) + pfatal ("Can't reopen file %s", quotearg (to)); + copy_to_fd (from, tofd); + if (close (tofd) != 0) +-- +cgit v1.0-41-gc330 + diff --git a/meta/recipes-devtools/patch/patch/CVE-2019-20633.patch b/meta/recipes-devtools/patch/patch/CVE-2019-20633.patch new file mode 100644 index 0000000000..9b2c07cf1e --- /dev/null +++ b/meta/recipes-devtools/patch/patch/CVE-2019-20633.patch @@ -0,0 +1,31 @@ +From 15b158db3ae11cb835f2eb8d2eb48e09d1a4af48 Mon Sep 17 00:00:00 2001 +From: Andreas Gruenbacher <agruen@gnu.org> +Date: Mon, 15 Jul 2019 19:10:02 +0200 +Subject: Avoid invalid memory access in context format diffs + +* src/pch.c (another_hunk): Avoid invalid memory access in context format +diffs. + +CVE: CVE-2019-20633 +Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/patch.git/patch/?id=15b158db3ae11cb835f2eb8d2eb48e09d1a4af48] +Signed-off-by: Scott Murray <scott.murray@konsulko.com> + +--- + src/pch.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/src/pch.c b/src/pch.c +index a500ad9..cb54e03 100644 +--- a/src/pch.c ++++ b/src/pch.c +@@ -1328,6 +1328,7 @@ another_hunk (enum diff difftype, bool rev) + ptrn_prefix_context = context; + ptrn_suffix_context = context; + if (repl_beginning ++ || p_end <= 0 + || (p_end + != p_ptrn_lines + 1 + (p_Char[p_end - 1] == '\n'))) + { +-- +cgit v1.2.1 + diff --git a/meta/recipes-devtools/patch/patch_2.7.5.bb b/meta/recipes-devtools/patch/patch_2.7.5.bb deleted file mode 100644 index 151f021b2c..0000000000 --- a/meta/recipes-devtools/patch/patch_2.7.5.bb +++ /dev/null @@ -1,15 +0,0 @@ -require patch.inc -LICENSE = "GPLv3" - -SRC_URI += "file://0001-Unset-need_charset_alias-when-building-for-musl.patch" - -SRC_URI[md5sum] = "ed4d5674ef4543b4eb463db168886dc7" -SRC_URI[sha256sum] = "7436f5a19f93c3ca83153ce9c5cbe4847e97c5d956e57a220121e741f6e7968f" - -LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504" - -acpaths = "-I ${S}/m4 " - -PACKAGECONFIG ?= "${@bb.utils.filter('DISTRO_FEATURES', 'xattr', d)}" -PACKAGECONFIG[xattr] = "--enable-xattr,--disable-xattr,attr," - diff --git a/meta/recipes-devtools/patch/patch_2.7.6.bb b/meta/recipes-devtools/patch/patch_2.7.6.bb new file mode 100644 index 0000000000..e0e44f9c97 --- /dev/null +++ b/meta/recipes-devtools/patch/patch_2.7.6.bb @@ -0,0 +1,28 @@ +require patch.inc +LICENSE = "GPL-3.0-only" + +SRC_URI += "file://0001-Unset-need_charset_alias-when-building-for-musl.patch \ + file://0002-Fix-segfault-with-mangled-rename-patch.patch \ + file://0003-Allow-input-files-to-be-missing-for-ed-style-patches.patch \ + file://0004-Fix-arbitrary-command-execution-in-ed-style-patches-.patch \ + file://0001-Fix-swapping-fake-lines-in-pch_swap.patch \ + file://CVE-2019-13636.patch \ + file://0001-Invoke-ed-directly-instead-of-using-the-shell.patch \ + file://0001-Don-t-leak-temporary-file-on-failed-ed-style-patch.patch \ + file://0001-Don-t-leak-temporary-file-on-failed-multi-file-ed.patch \ + file://CVE-2019-20633.patch \ +" + +SRC_URI[md5sum] = "4c68cee989d83c87b00a3860bcd05600" +SRC_URI[sha256sum] = "8cf86e00ad3aaa6d26aca30640e86b0e3e1f395ed99f189b06d4c9f74bc58a4e" + +LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504" + +acpaths = "-I ${S}/m4 " + +PACKAGECONFIG ?= "${@bb.utils.filter('DISTRO_FEATURES', 'xattr', d)}" +PACKAGECONFIG[xattr] = "--enable-xattr,--disable-xattr,attr," + +PROVIDES:append:class-native = " patch-replacement-native" + +BBCLASSEXTEND = "native nativesdk" |