You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
ntfs-3g/ntfs-3g-CVE-2019-9755.patch

47 lines
1.9 KiB

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;
}
}
}