File CVE-2019-9755.patch of Package ntfs-3g_ntfsprogs.14909
diff --git a/src/lowntfs-3g.c b/src/lowntfs-3g.c
index 0bb38f9..31ea5f4 100644
--- a/src/lowntfs-3g.c
+++ b/src/lowntfs-3g.c
@@ -4024,7 +4024,8 @@ 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);
diff --git a/src/ntfs-3g.c b/src/ntfs-3g.c
index 268b056..ccc5700 100644
--- a/src/ntfs-3g.c
+++ b/src/ntfs-3g.c
@@ -3814,7 +3814,8 @@ 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);
@@ -3822,6 +3823,9 @@ 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;
}
}
}