add upstream fix for CVE-2019-9755

ntfs-3g-CVE-2019-9755.patch

@@ -0,0 +1,46 @@
+diff -up ntfs-3g_ntfsprogs-2017.3.23/src/lowntfs-3g.c.CVE-2019-9755 ntfs-3g_ntfsprogs-2017.3.23/src/lowntfs-3g.c
+--- ntfs-3g_ntfsprogs-2017.3.23/src/lowntfs-3g.c.CVE-2019-9755	2019-03-29 16:08:22.359920075 -0400
++++ ntfs-3g_ntfsprogs-2017.3.23/src/lowntfs-3g.c	2019-03-29 16:08:28.237794169 -0400
+@@ -4323,7 +4323,8 @@ int main(int argc, char *argv[])
+ 	else {
+ 		ctx->abs_mnt_point = (char*)ntfs_malloc(PATH_MAX);
+ 		if (ctx->abs_mnt_point) {
+-			if (getcwd(ctx->abs_mnt_point,
++			if ((strlen(opts.mnt_point) < PATH_MAX)
++			    && getcwd(ctx->abs_mnt_point,
+ 				     PATH_MAX - strlen(opts.mnt_point) - 1)) {
+ 				strcat(ctx->abs_mnt_point, "/");
+ 				strcat(ctx->abs_mnt_point, opts.mnt_point);
+@@ -4331,6 +4332,9 @@ int main(int argc, char *argv[])
+ 			/* Solaris also wants the absolute mount point */
+ 				opts.mnt_point = ctx->abs_mnt_point;
+ #endif /* defined(__sun) && defined (__SVR4) */
++			} else {
++				free(ctx->abs_mnt_point);
++				ctx->abs_mnt_point = (char*)NULL;
+ 			}
+ 		}
+ 	}
+diff -up ntfs-3g_ntfsprogs-2017.3.23/src/ntfs-3g.c.CVE-2019-9755 ntfs-3g_ntfsprogs-2017.3.23/src/ntfs-3g.c
+--- ntfs-3g_ntfsprogs-2017.3.23/src/ntfs-3g.c.CVE-2019-9755	2019-03-29 16:08:54.691227528 -0400
++++ ntfs-3g_ntfsprogs-2017.3.23/src/ntfs-3g.c	2019-03-29 16:09:40.362249397 -0400
+@@ -4123,7 +4123,8 @@ int main(int argc, char *argv[])
+ 	else {
+ 		ctx->abs_mnt_point = (char*)ntfs_malloc(PATH_MAX);
+ 		if (ctx->abs_mnt_point) {
+-			if (getcwd(ctx->abs_mnt_point,
++			if ((strlen(opts.mnt_point) < PATH_MAX)
++			    && getcwd(ctx->abs_mnt_point,
+ 				     PATH_MAX - strlen(opts.mnt_point) - 1)) {
+ 				strcat(ctx->abs_mnt_point, "/");
+ 				strcat(ctx->abs_mnt_point, opts.mnt_point);
+@@ -4131,6 +4132,9 @@ int main(int argc, char *argv[])
+ 			/* Solaris also wants the absolute mount point */
+ 				opts.mnt_point = ctx->abs_mnt_point;
+ #endif /* defined(__sun) && defined (__SVR4) */
++			} else {
++				free(ctx->abs_mnt_point);
++				ctx->abs_mnt_point = (char*)NULL;
+ 			}
+ 		}
+ 	}

ntfs-3g.spec

@@ -16,7 +16,7 @@
 Name:		ntfs-3g
 Summary:	Linux NTFS userspace driver
 Version:	2017.3.23
-Release:	10%{?dist}
+Release:	11%{?dist}
 License:	GPLv2+
 Source0:	http://tuxera.com/opensource/%%{name}_ntfsprogs-%%{version}%%{?subver}.tgz
 %if %{oldrhel}
@@ -44,6 +44,9 @@ Patch2:		ntfs-3g-big-sectors.patch
 # Discussed with upstream developer but not upstream yet, see:
 # https://bugzilla.redhat.com/show_bug.cgi?id=1601146#c4
 Patch3:		ntfsclone-full-clusters-bz1601146.patch
+# Upstream fix for CVE-2019-9755
+# https://sourceforge.net/p/ntfs-3g/ntfs-3g/ci/85c1634a26faa572d3c558d4cf8aaaca5202d4e9/
+Patch4:		ntfs-3g-CVE-2019-9755.patch
 
 %description
 NTFS-3G is a stable, open source, GPL licensed, POSIX, read/write NTFS 
@@ -90,6 +93,7 @@ included utilities see man 8 ntfsprogs after installation).
 %patch1 -p0 -b .check-mftmirr
 %patch2 -p0 -b .big-sectors
 %patch3 -p0 -b .ntfsclone
+%patch4 -p1 -b .CVE-2019-9755
 
 %build
 CFLAGS="$RPM_OPT_FLAGS -D_FILE_OFFSET_BITS=64"
@@ -297,6 +301,9 @@ cp -a %{SOURCE1} %{buildroot}%{_datadir}/hal/fdi/policy/10osvendor/
 %exclude %{_mandir}/man8/ntfs-3g*
 
 %changelog
+* Fri Mar 29 2019 Tom Callaway <spot@fedoraproject.org> - 2:2017.3.23-11
+- add upstream fix for CVE-2019-9755
+
 * Mon Mar 11 2019 Kamil Páral <kparal@redhat.com> - 2:2017.3.23-10
 - add Recommends: ntfs-3g-system-compression. That allows people with
   Windows 10 to read system files.