From 4b133aac2ac18a99a032b56a40fc3eeafc8250f9 Mon Sep 17 00:00:00 2001
From: zhanghua1831 <zhanghua1831@163.com>
Date: Tue, 15 Sep 2020 17:13:49 +0800
Subject: [PATCH] fix CVE-2019-9755

---
 CVE-2019-9755.patch | 46 +++++++++++++++++++++++++++++++++++++++++++++
 ntfs-3g.spec        | 11 +++++++++--
 2 files changed, 55 insertions(+), 2 deletions(-)
 create mode 100644 CVE-2019-9755.patch

diff --git a/CVE-2019-9755.patch b/CVE-2019-9755.patch
new file mode 100644
index 0000000..d54f7e1
--- /dev/null
+++ b/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;
+ 			}
+ 		}
+ 	}
diff --git a/ntfs-3g.spec b/ntfs-3g.spec
index d9f4edd..ca74e2c 100644
--- a/ntfs-3g.spec
+++ b/ntfs-3g.spec
@@ -1,6 +1,6 @@
 Name:          ntfs-3g
 Version:       2017.3.23
-Release:       10
+Release:       11
 Epoch:         2
 Summary:       Linux NTFS userspace driver
 License:       GPLv2+
@@ -10,7 +10,7 @@ Patch0:        0000-ntfs-3g_ntfsprogs-2011.10.9-RC-ntfsck-unsupported-return-0.p
 Patch1:        0001-check-mftmirr.patch
 Patch2:        0002-ntfs-3g-big-sectors.patch
 Patch3:        0003-ntfsclone-full-clusters-bz1601146.patch
-
+Patch4:        CVE-2019-9755.patch
 BuildRequires: libtool, libattr-devel, libconfig-devel, libgcrypt-devel, gnutls-devel, libuuid-devel
 Provides:      ntfsprogs-fuse = %{epoch}:%{version}-%{release}
 Obsoletes:     ntfsprogs-fuse
@@ -48,6 +48,7 @@ This package includes man files for %{name}.
 %patch1 -p0 -b .check-mftmirr
 %patch2 -p0 -b .big-sectors
 %patch3 -p0 -b .ntfsclone
+%patch4 -p1
 
 %build
 CFLAGS="$RPM_OPT_FLAGS -D_FILE_OFFSET_BITS=64"
@@ -95,5 +96,11 @@ rm -rf $RPM_BUILD_ROOT%{_defaultdocdir}/%{name}/README
 %{_mandir}/man*/*
 
 %changelog
+* Tue Sep 8 2020 zhanghua <zhanghua40@huawei.com> - 2:2017.3.23-11
+- Type:bugfix
+- Id:NA
+- SUG:NA
+- DESC:fix CVE-2019-9755
+
 * Fri Dec 13 2019 openEuler Buildteam <buildteam@openeuler.org> - 2:2017.3.23-10
 - Package init
-- 
Gitee