From f943e386039e0f28e777e2cf7ec39a7dbe24c040 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Fri, 4 Jan 2013 12:02:22 -0800
Subject: [PATCH 1/2] * Strip nils from collections on JSON and XML posts.
[CVE-2013-0155] * dealing with empty hashes. Thanks
Damien Mathieu
Conflicts:
activerecord/lib/active_record/relation/predicate_builder.rb
---
.../lib/active_record/relation/predicate_builder.rb | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/activerecord/lib/active_record/relation/predicate_builder.rb b/activerecord/lib/active_record/relation/predicate_builder.rb
index e74ba73..71eabcb 100644
--- a/activerecord/lib/active_record/relation/predicate_builder.rb
+++ b/activerecord/lib/active_record/relation/predicate_builder.rb
@@ -11,7 +11,12 @@ module ActiveRecord
if allow_table_name && value.is_a?(Hash)
table = Arel::Table.new(column, :engine => @engine)
- build_from_hash(value, table, false)
+
+ if value.empty?
+ '1 = 2'
+ else
+ build_from_hash(value, table, false)
+ end
else
column = column.to_s
--
1.7.10.2 (Apple Git-33)