File protobuf-CVE-2021-22570.patch of Package protobuf.23247

Overview Repositories Revisions Requests Users Attributes Meta

File protobuf-CVE-2021-22570.patch of Package protobuf.23247

--- a/src/google/protobuf/descriptor.cc
+++ b/src/google/protobuf/descriptor.cc
@@ -2591,6 +2591,8 @@ void Descriptor::DebugString(int depth,
       const Descriptor::ReservedRange* range = reserved_range(i);
       if (range->end == range->start + 1) {
         strings::SubstituteAndAppend(contents, "$0, ", range->start);
+      } else if (range->end > FieldDescriptor::kMaxNumber) {
+        strings::SubstituteAndAppend(contents, "$0 to max, ", range->start);
       } else {
         strings::SubstituteAndAppend(contents, "$0 to $1, ",
                                      range->start, range->end - 1);
@@ -2810,6 +2812,8 @@ void EnumDescriptor::DebugString(int dep
       const EnumDescriptor::ReservedRange* range = reserved_range(i);
       if (range->end == range->start) {
         strings::SubstituteAndAppend(contents, "$0, ", range->start);
+      } else if (range->end == INT_MAX) {
+        strings::SubstituteAndAppend(contents, "$0 to max, ", range->start);
       } else {
         strings::SubstituteAndAppend(contents, "$0 to $1, ",
                                      range->start, range->end);
@@ -3983,6 +3987,11 @@ bool DescriptorBuilder::AddSymbol(
   // Use its file as the parent instead.
   if (parent == NULL) parent = file_;
 
+  if (full_name.find('\0') != std::string::npos) {
+    AddError(full_name, proto, DescriptorPool::ErrorCollector::NAME,
+             "\"" + full_name + "\" contains null character.");
+    return false;
+  }
   if (tables_->AddSymbol(full_name, symbol)) {
     if (!file_tables_->AddAliasUnderParent(parent, name, symbol)) {
       // This is only possible if there was already an error adding something of
@@ -4020,6 +4029,11 @@ bool DescriptorBuilder::AddSymbol(
 
 void DescriptorBuilder::AddPackage(
     const string& name, const Message& proto, const FileDescriptor* file) {
+  if (name.find('\0') != std::string::npos) {
+    AddError(name, proto, DescriptorPool::ErrorCollector::NAME,
+             "\"" + name + "\" contains null character.");
+    return;
+  }
   if (tables_->AddSymbol(name, Symbol(file))) {
     // Success.  Also add parent package, if any.
     string::size_type dot_pos = name.find_last_of('.');
@@ -4288,6 +4302,12 @@ FileDescriptor* DescriptorBuilder::Build
   }
   result->pool_ = pool_;
 
+  if (result->name().find('\0') != std::string::npos) {
+    AddError(result->name(), proto, DescriptorPool::ErrorCollector::NAME,
+             "\"" + result->name() + "\" contains null character.");
+    return nullptr;
+  }
+
   // Add to tables.
   if (!tables_->AddFile(result)) {
     AddError(proto.name(), proto, DescriptorPool::ErrorCollector::OTHER,

Places

File protobuf-CVE-2021-22570.patch of Package protobuf.23247

Places