2.7.4, including a better fix for CVE-2015-1196 that still allows symlinks referencing ".." to be created.

This commit is contained in:
Tim Waugh 2015-02-01 12:45:36 +00:00
parent fe471a96db
commit 158e6d1d97
6 changed files with 73 additions and 68 deletions

1
.gitignore vendored
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@ -5,3 +5,4 @@ patch-2.6.1.tar.xz
/patch-2.7.1.tar.xz
/patch-2.7.2.tar.xz
/patch-2.7.3.tar.xz
/patch-2.7.4.tar.xz

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patch-2.7.4.tar.xz.sig Normal file
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@ -1,6 +1,6 @@
diff -up patch-2.7.3/src/common.h.selinux patch-2.7.3/src/common.h
--- patch-2.7.3/src/common.h.selinux 2015-01-19 17:24:29.000000000 +0000
+++ patch-2.7.3/src/common.h 2015-01-23 10:11:26.690195912 +0000
diff -up patch-2.7.4/src/common.h.selinux patch-2.7.4/src/common.h
--- patch-2.7.4/src/common.h.selinux 2015-01-31 16:09:46.000000000 +0000
+++ patch-2.7.4/src/common.h 2015-02-01 12:46:56.922818144 +0000
@@ -30,6 +30,8 @@
#include <sys/types.h>
#include <time.h>
@ -18,10 +18,10 @@ diff -up patch-2.7.3/src/common.h.selinux patch-2.7.3/src/common.h
XTERN bool dry_run;
XTERN bool posixly_correct;
diff -up patch-2.7.3/src/inp.c.selinux patch-2.7.3/src/inp.c
--- patch-2.7.3/src/inp.c.selinux 2014-11-26 13:17:55.000000000 +0000
+++ patch-2.7.3/src/inp.c 2015-01-23 10:11:26.738196109 +0000
@@ -144,7 +144,7 @@ get_input_file (char const *filename, ch
diff -up patch-2.7.4/src/inp.c.selinux patch-2.7.4/src/inp.c
--- patch-2.7.4/src/inp.c.selinux 2015-01-31 21:13:45.000000000 +0000
+++ patch-2.7.4/src/inp.c 2015-02-01 12:46:56.922818144 +0000
@@ -145,7 +145,7 @@ get_input_file (char const *filename, ch
char *getbuf;
if (inerrno == -1)
@ -30,7 +30,7 @@ diff -up patch-2.7.3/src/inp.c.selinux patch-2.7.3/src/inp.c
/* Perhaps look for RCS or SCCS versions. */
if (S_ISREG (file_type)
@@ -189,7 +189,7 @@ get_input_file (char const *filename, ch
@@ -190,7 +190,7 @@ get_input_file (char const *filename, ch
}
if (cs && version_get (filename, cs, ! inerrno, elsewhere, getbuf,
@ -39,7 +39,7 @@ diff -up patch-2.7.3/src/inp.c.selinux patch-2.7.3/src/inp.c
inerrno = 0;
free (getbuf);
@@ -200,6 +200,7 @@ get_input_file (char const *filename, ch
@@ -201,6 +201,7 @@ get_input_file (char const *filename, ch
{
instat.st_mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
instat.st_size = 0;
@ -47,10 +47,10 @@ diff -up patch-2.7.3/src/inp.c.selinux patch-2.7.3/src/inp.c
}
else if (! ((S_ISREG (file_type) || S_ISLNK (file_type))
&& (file_type & S_IFMT) == (instat.st_mode & S_IFMT)))
diff -up patch-2.7.3/src/Makefile.am.selinux patch-2.7.3/src/Makefile.am
--- patch-2.7.3/src/Makefile.am.selinux 2014-11-26 13:17:55.000000000 +0000
+++ patch-2.7.3/src/Makefile.am 2015-01-23 10:11:26.738196109 +0000
@@ -34,7 +34,7 @@ patch_SOURCES = \
diff -up patch-2.7.4/src/Makefile.am.selinux patch-2.7.4/src/Makefile.am
--- patch-2.7.4/src/Makefile.am.selinux 2015-01-31 21:12:47.000000000 +0000
+++ patch-2.7.4/src/Makefile.am 2015-02-01 12:46:56.922818144 +0000
@@ -36,7 +36,7 @@ patch_SOURCES = \
AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib
patch_LDADD = $(LDADD) $(top_builddir)/lib/libpatch.a $(LIB_CLOCK_GETTIME) \
@ -59,10 +59,10 @@ diff -up patch-2.7.3/src/Makefile.am.selinux patch-2.7.3/src/Makefile.am
if ENABLE_MERGE
patch_SOURCES += merge.c
diff -up patch-2.7.3/src/Makefile.in.selinux patch-2.7.3/src/Makefile.in
--- patch-2.7.3/src/Makefile.in.selinux 2015-01-19 19:36:16.000000000 +0000
+++ patch-2.7.3/src/Makefile.in 2015-01-23 10:11:26.738196109 +0000
@@ -1047,7 +1047,7 @@ patch_SOURCES = bestmatch.h common.h inp
diff -up patch-2.7.4/src/Makefile.in.selinux patch-2.7.4/src/Makefile.in
--- patch-2.7.4/src/Makefile.in.selinux 2015-01-31 21:14:45.000000000 +0000
+++ patch-2.7.4/src/Makefile.in 2015-02-01 12:46:56.923818145 +0000
@@ -1062,7 +1062,7 @@ patch_SOURCES = bestmatch.h common.h inp
AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib \
$(am__append_2)
patch_LDADD = $(LDADD) $(top_builddir)/lib/libpatch.a $(LIB_CLOCK_GETTIME) \
@ -71,10 +71,10 @@ diff -up patch-2.7.3/src/Makefile.in.selinux patch-2.7.3/src/Makefile.in
all: all-am
diff -up patch-2.7.3/src/patch.c.selinux patch-2.7.3/src/patch.c
--- patch-2.7.3/src/patch.c.selinux 2015-01-21 15:32:41.000000000 +0000
+++ patch-2.7.3/src/patch.c 2015-01-23 10:11:26.739196113 +0000
@@ -260,19 +260,19 @@ main (int argc, char **argv)
diff -up patch-2.7.4/src/patch.c.selinux patch-2.7.4/src/patch.c
--- patch-2.7.4/src/patch.c.selinux 2015-01-31 21:14:01.000000000 +0000
+++ patch-2.7.4/src/patch.c 2015-02-01 12:46:56.923818145 +0000
@@ -261,19 +261,19 @@ main (int argc, char **argv)
if (! strcmp (inname, outname))
{
if (inerrno == -1)
@ -97,7 +97,7 @@ diff -up patch-2.7.3/src/patch.c.selinux patch-2.7.3/src/patch.c
inerrno = -1;
}
if (! outerrno)
@@ -567,7 +567,7 @@ main (int argc, char **argv)
@@ -570,7 +570,7 @@ main (int argc, char **argv)
mode, &new_time);
else
{
@ -106,7 +106,7 @@ diff -up patch-2.7.3/src/patch.c.selinux patch-2.7.3/src/patch.c
set_file_attributes (TMPOUTNAME, attr, inname, &instat,
mode, &new_time);
}
@@ -627,7 +627,7 @@ main (int argc, char **argv)
@@ -630,7 +630,7 @@ main (int argc, char **argv)
struct stat oldst;
int olderrno;
@ -115,7 +115,7 @@ diff -up patch-2.7.3/src/patch.c.selinux patch-2.7.3/src/patch.c
if (olderrno && olderrno != ENOENT)
write_fatal ();
if (! olderrno && lookup_file_id (&oldst) == CREATED)
@@ -1757,7 +1757,7 @@ delete_file_later (const char *name, con
@@ -1760,7 +1760,7 @@ delete_file_later (const char *name, con
if (! st)
{
@ -124,9 +124,9 @@ diff -up patch-2.7.3/src/patch.c.selinux patch-2.7.3/src/patch.c
pfatal ("Can't get file attributes of %s %s", "file", name);
st = &st_tmp;
}
diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
--- patch-2.7.3/src/pch.c.selinux 2015-01-22 20:23:31.000000000 +0000
+++ patch-2.7.3/src/pch.c 2015-01-23 10:11:26.740196117 +0000
diff -up patch-2.7.4/src/pch.c.selinux patch-2.7.4/src/pch.c
--- patch-2.7.4/src/pch.c.selinux 2015-01-31 21:14:01.000000000 +0000
+++ patch-2.7.4/src/pch.c 2015-02-01 12:46:56.924818146 +0000
@@ -1,6 +1,6 @@
/* reading patches */
@ -135,7 +135,7 @@ diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
Copyright (C) 1990-1993, 1997-2003, 2006, 2009-2012 Free Software
Foundation, Inc.
@@ -292,7 +292,7 @@ there_is_another_patch (bool need_header
@@ -293,7 +293,7 @@ there_is_another_patch (bool need_header
if (t > buf + 1 && *(t - 1) == '\n')
{
inname = xmemdup0 (buf, t - buf - 1);
@ -152,7 +152,7 @@ diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
int stat_errno[3];
int version_controlled[3];
enum diff retval;
@@ -469,6 +470,7 @@ intuit_diff_type (bool need_header, mode
@@ -470,6 +471,7 @@ intuit_diff_type (bool need_header, mode
version_controlled[OLD] = -1;
version_controlled[NEW] = -1;
version_controlled[INDEX] = -1;
@ -160,7 +160,7 @@ diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
p_rfc934_nesting = 0;
p_timestamp[OLD].tv_sec = p_timestamp[NEW].tv_sec = -1;
p_says_nonexistent[OLD] = p_says_nonexistent[NEW] = 0;
@@ -876,7 +878,7 @@ intuit_diff_type (bool need_header, mode
@@ -879,7 +881,7 @@ intuit_diff_type (bool need_header, mode
}
else
{
@ -169,7 +169,7 @@ diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
if (! stat_errno[i])
{
if (lookup_file_id (&st[i]) == DELETE_LATER)
@@ -915,7 +917,7 @@ intuit_diff_type (bool need_header, mode
@@ -918,7 +920,7 @@ intuit_diff_type (bool need_header, mode
if (cs)
{
if (version_get (p_name[i], cs, false, readonly,
@ -178,7 +178,7 @@ diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
stat_errno[i] = 0;
else
version_controlled[i] = 0;
@@ -978,7 +980,7 @@ intuit_diff_type (bool need_header, mode
@@ -981,7 +983,7 @@ intuit_diff_type (bool need_header, mode
{
if (inname)
{
@ -187,7 +187,7 @@ diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
if (inerrno || (instat.st_mode & S_IFMT) == file_type)
maybe_reverse (inname, inerrno, inerrno || instat.st_size == 0);
}
@@ -991,8 +993,14 @@ intuit_diff_type (bool need_header, mode
@@ -994,8 +996,14 @@ intuit_diff_type (bool need_header, mode
inerrno = stat_errno[i];
invc = version_controlled[i];
instat = st[i];
@ -202,10 +202,10 @@ diff -up patch-2.7.3/src/pch.c.selinux patch-2.7.3/src/pch.c
return retval;
}
diff -up patch-2.7.3/src/util.c.selinux patch-2.7.3/src/util.c
--- patch-2.7.3/src/util.c.selinux 2015-01-22 20:39:08.000000000 +0000
+++ patch-2.7.3/src/util.c 2015-01-23 11:01:12.859170158 +0000
@@ -295,6 +295,19 @@ set_file_attributes (char const *to, enu
diff -up patch-2.7.4/src/util.c.selinux patch-2.7.4/src/util.c
--- patch-2.7.4/src/util.c.selinux 2015-01-31 21:14:01.000000000 +0000
+++ patch-2.7.4/src/util.c 2015-02-01 12:51:16.584224140 +0000
@@ -300,6 +300,19 @@ set_file_attributes (char const *to, enu
S_ISLNK (mode) ? "symbolic link" : "file",
quotearg (to));
}
@ -225,7 +225,7 @@ diff -up patch-2.7.3/src/util.c.selinux patch-2.7.3/src/util.c
}
static void
@@ -458,7 +471,7 @@ move_file (char const *from, bool *from_
@@ -446,7 +459,7 @@ move_file (char const *from, bool *from_
struct stat to_st;
int to_errno;
@ -234,7 +234,7 @@ diff -up patch-2.7.3/src/util.c.selinux patch-2.7.3/src/util.c
if (backup)
create_backup (to, to_errno ? NULL : &to_st, false);
if (! to_errno)
@@ -839,7 +852,8 @@ version_controller (char const *filename
@@ -816,7 +829,8 @@ version_controller (char const *filename
Return true if successful. */
bool
version_get (char const *filename, char const *cs, bool exists, bool readonly,
@ -244,9 +244,9 @@ diff -up patch-2.7.3/src/util.c.selinux patch-2.7.3/src/util.c
{
if (patch_get < 0)
{
@@ -864,6 +878,13 @@ version_get (char const *filename, char
@@ -841,6 +855,13 @@ version_get (char const *filename, char
fatal ("Can't get file %s from %s", quotearg (filename), cs);
if (stat (filename, filestat) != 0)
if (safe_stat (filename, filestat) != 0)
pfatal ("%s", quotearg (filename));
+ if (filecontext && getfilecon (filename, filecontext) == -1)
+ {
@ -258,7 +258,7 @@ diff -up patch-2.7.3/src/util.c.selinux patch-2.7.3/src/util.c
}
return 1;
@@ -1679,12 +1700,28 @@ make_tempfile (char const **name, char l
@@ -1664,12 +1685,28 @@ make_tempfile (char const **name, char l
}
}
@ -266,7 +266,7 @@ diff -up patch-2.7.3/src/util.c.selinux patch-2.7.3/src/util.c
+int stat_file (char const *filename, struct stat *st, security_context_t *con)
{
int (*xstat)(char const *, struct stat *) =
follow_symlinks ? stat : lstat;
follow_symlinks ? safe_stat : safe_lstat;
+ int (*xgetfilecon)(char const *, security_context_t *) =
+ follow_symlinks ? getfilecon : lgetfilecon;
+
@ -289,10 +289,10 @@ diff -up patch-2.7.3/src/util.c.selinux patch-2.7.3/src/util.c
}
/* Check if a filename is relative and free of ".." components.
diff -up patch-2.7.3/src/util.h.selinux patch-2.7.3/src/util.h
--- patch-2.7.3/src/util.h.selinux 2015-01-22 20:30:47.000000000 +0000
+++ patch-2.7.3/src/util.h 2015-01-23 11:01:49.689364744 +0000
@@ -45,7 +45,7 @@ char *parse_name (char const *, int, cha
diff -up patch-2.7.4/src/util.h.selinux patch-2.7.4/src/util.h
--- patch-2.7.4/src/util.h.selinux 2015-01-31 21:14:01.000000000 +0000
+++ patch-2.7.4/src/util.h 2015-02-01 12:46:56.925818147 +0000
@@ -44,7 +44,7 @@ char *parse_name (char const *, int, cha
char *savebuf (char const *, size_t);
char *savestr (char const *);
char const *version_controller (char const *, bool, struct stat const *, char **, char **);
@ -301,7 +301,7 @@ diff -up patch-2.7.3/src/util.h.selinux patch-2.7.3/src/util.h
int create_file (char const *, int, mode_t, bool);
int systemic (char const *);
char *format_linenum (char[LINENUM_LENGTH_BOUND + 1], lin);
@@ -68,7 +68,7 @@ void insert_file_id (struct stat const *
@@ -67,7 +67,7 @@ void insert_file_id (struct stat const *
enum file_id_type lookup_file_id (struct stat const *);
void set_queued_output (struct stat const *, bool);
bool has_queued_output (struct stat const *);
@ -310,7 +310,7 @@ diff -up patch-2.7.3/src/util.h.selinux patch-2.7.3/src/util.h
bool filename_is_safe (char const *);
bool cwd_is_root (char const *);
@@ -76,7 +76,8 @@ enum file_attributes {
@@ -75,7 +75,8 @@ enum file_attributes {
FA_TIMES = 1,
FA_IDS = 2,
FA_MODE = 4,

View File

@ -1,6 +1,6 @@
Summary: Utility for modifying/upgrading files
Name: patch
Version: 2.7.3
Version: 2.7.4
Release: 1%{?dist}
License: GPLv3+
URL: http://www.gnu.org/software/patch/patch.html
@ -54,6 +54,10 @@ rm -rf $RPM_BUILD_ROOT
%{_mandir}/*/*
%changelog
* Sun Feb 1 2015 Tim Waugh <twaugh@redhat.com> - 2.7.4-1
- 2.7.4, including a better fix for CVE-2015-1196 that still allows
symlinks referencing ".." to be created.
* Fri Jan 23 2015 Tim Waugh <twaugh@redhat.com> - 2.7.3-1
- 2.7.3 (bug #1182157, CVE-2015-1196, bug #1184491, CVE-2014-9637).

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@ -1 +1 @@
29b87be845e4662ab0ca0d48a805ecc6 patch-2.7.3.tar.xz
abc59498fcdddd44e0d07764aa105fd2 patch-2.7.4.tar.xz