diff --git a/ruby-advisory-db b/ruby-advisory-db
index f5322e45..ddc713a1 160000
--- a/ruby-advisory-db
+++ b/ruby-advisory-db
@@ -1 +1 @@
-Subproject commit f5322e451d085f3e9f28b441fe6af09e25b8f860
+Subproject commit ddc713a13139eec4a881e3d246678f234c23324d
diff --git a/source/_posts/2012-01-01-CVE-2012-6134.markdown b/source/_posts/2012-09-08-CVE-2012-6134.markdown
similarity index 81%
rename from source/_posts/2012-01-01-CVE-2012-6134.markdown
rename to source/_posts/2012-09-08-CVE-2012-6134.markdown
index 3972be97..ef46eb4e 100644
--- a/source/_posts/2012-01-01-CVE-2012-6134.markdown
+++ b/source/_posts/2012-09-08-CVE-2012-6134.markdown
@@ -1,14 +1,14 @@
 ---
 layout: post
 title: "CVE-2012-6134: Ruby on Rails omniauth-oauth2 Gem CSRF vulnerability"
-date: 2012-01-01
+date: 2012-09-08
 comments: false
 categories: [omniauth-oauth2]
 ---
 
 ### CVE ID
 
-* [CVE-2012-6134](https://github.com/intridea/omniauth-oauth2/pull/25)
+* [CVE-2012-6134](http://www.osvdb.org/show/osvdb/90264)
 
 ### GEM NAME
 
diff --git a/source/_posts/2013-01-01-CVE-2013-0284.markdown b/source/_posts/2012-12-06-CVE-2013-0284.markdown
similarity index 82%
rename from source/_posts/2013-01-01-CVE-2013-0284.markdown
rename to source/_posts/2012-12-06-CVE-2013-0284.markdown
index b0c76852..0607e672 100644
--- a/source/_posts/2013-01-01-CVE-2013-0284.markdown
+++ b/source/_posts/2012-12-06-CVE-2013-0284.markdown
@@ -1,14 +1,14 @@
 ---
 layout: post
 title: "CVE-2013-0284: Ruby on Rails newrelic_rpm Gem Discloses Sensitive Information"
-date: 2013-01-01
+date: 2012-12-06
 comments: false
 categories: [newrelic_rpm]
 ---
 
 ### CVE ID
 
-* [CVE-2013-0284](https://newrelic.com/docs/ruby/ruby-agent-security-notification)
+* [CVE-2013-0284](http://osvdb.org/show/osvdb/90189)
 
 ### GEM NAME
 
diff --git a/source/_posts/2013-01-01-CVE-2013-0285.markdown b/source/_posts/2013-01-10-CVE-2013-0285.markdown
similarity index 79%
rename from source/_posts/2013-01-01-CVE-2013-0285.markdown
rename to source/_posts/2013-01-10-CVE-2013-0285.markdown
index f7af483e..2c76976e 100644
--- a/source/_posts/2013-01-01-CVE-2013-0285.markdown
+++ b/source/_posts/2013-01-10-CVE-2013-0285.markdown
@@ -1,14 +1,14 @@
 ---
 layout: post
 title: "CVE-2013-0285: Ruby Gem nori Parameter Parsing Remote Code Execution"
-date: 2013-01-01
+date: 2013-01-10
 comments: false
 categories: [nori]
 ---
 
 ### CVE ID
 
-* [CVE-2013-0285](https://github.com/savonrb/nori/commit/818f5263b1d597b603d46cbe1702cd2717259e32)
+* [CVE-2013-0285](http://osvdb.org/show/osvdb/90196)
 
 ### GEM NAME
 
diff --git a/source/_posts/2013-01-01-CVE-2013-1756.markdown b/source/_posts/2013-02-19-CVE-2013-1756.markdown
similarity index 95%
rename from source/_posts/2013-01-01-CVE-2013-1756.markdown
rename to source/_posts/2013-02-19-CVE-2013-1756.markdown
index 8990de18..083a52fc 100644
--- a/source/_posts/2013-01-01-CVE-2013-1756.markdown
+++ b/source/_posts/2013-02-19-CVE-2013-1756.markdown
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "CVE-2013-1756: Dragonfly Gem Remote Code Execution"
-date: 2013-01-01
+date: 2013-02-19
 comments: false
 categories: [dragonfly]
 ---
diff --git a/source/_posts/2013-03-19-CVE-2013-1854.markdown b/source/_posts/2013-03-19-CVE-2013-1854.markdown
index dc6ab3e5..ca5d6c9a 100644
--- a/source/_posts/2013-03-19-CVE-2013-1854.markdown
+++ b/source/_posts/2013-03-19-CVE-2013-1854.markdown
@@ -8,7 +8,7 @@ categories: [activerecord,rails]
 
 ### CVE ID
 
-* [CVE-2013-1854](https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/jgJ4cjjS8FE)
+* [CVE-2013-1854](http://osvdb.org/show/osvdb/91453)
 
 ### GEM NAME
 
diff --git a/source/_posts/2013-03-19-CVE-2013-1855.markdown b/source/_posts/2013-03-19-CVE-2013-1855.markdown
index 539bf7b3..a331b537 100644
--- a/source/_posts/2013-03-19-CVE-2013-1855.markdown
+++ b/source/_posts/2013-03-19-CVE-2013-1855.markdown
@@ -8,7 +8,7 @@ categories: [actionpack,rails]
 
 ### CVE ID
 
-* [CVE-2013-1855](https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/4_QHo4BqnN8)
+* [CVE-2013-1855](http://www.osvdb.org/show/osvdb/91452)
 
 ### GEM NAME
 
diff --git a/source/_posts/2013-03-19-CVE-2013-1856.markdown b/source/_posts/2013-03-19-CVE-2013-1856.markdown
index c0596889..ddce7da1 100644
--- a/source/_posts/2013-03-19-CVE-2013-1856.markdown
+++ b/source/_posts/2013-03-19-CVE-2013-1856.markdown
@@ -8,7 +8,7 @@ categories: [activesupport,rails]
 
 ### CVE ID
 
-* [CVE-2013-1856](https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/KZwsQbYsOiI)
+* [CVE-2013-1856](http://www.osvdb.org/show/osvdb/91451)
 
 ### GEM NAME
 
diff --git a/source/_posts/2013-03-19-CVE-2013-1857.markdown b/source/_posts/2013-03-19-CVE-2013-1857.markdown
index 0d4f3422..2e3ca9eb 100644
--- a/source/_posts/2013-03-19-CVE-2013-1857.markdown
+++ b/source/_posts/2013-03-19-CVE-2013-1857.markdown
@@ -8,7 +8,7 @@ categories: [actionpack,rails]
 
 ### CVE ID
 
-* [CVE-2013-1857](https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/zAAU7vGTPvI)
+* [CVE-2013-1857](http://osvdb.org/show/osvdb/91454)
 
 ### GEM NAME
 
diff --git a/tasks/sync_advisories.rake b/tasks/sync_advisories.rake
index bebae091..3da41c72 100644
--- a/tasks/sync_advisories.rake
+++ b/tasks/sync_advisories.rake
@@ -10,29 +10,19 @@ task :sync_advisories do
 
   Rake::FileList["ruby-advisory-db/gems/**/*.yml"].each do |advisory|
     yaml = YAML.load_file(advisory)
+    unless yaml['cve']
+      STDERR.puts "*** WARNING: couldn't sync '#{yaml['title']}: no CVE metadata"
+      next
+    end
 
     cve   = "CVE-" + yaml['cve']
     title = yaml['title'].gsub(/\s+/m, ' ')
 
     title = "#{cve}: #{title}"
     slug  = cve
+    date  = yaml['date']
 
-    puts "Processing: #{title}"
-
-    if yaml['url']['osvdb.org']
-      osvdb_entry = Net::HTTP.get URI(yaml['url'])
-      date = osvdb_entry[/(\d{4}-\d{2}-\d{2})\<\/td/, 1]
-    else
-      nvd_entry = Net::HTTP.get URI("http://web.nvd.nist.gov/view/vuln/detail?vulnId=#{cve}")
-      matches = nvd_entry.match(/(\d{2})\/(\d{2})\/(\d{4})\<\/div/)
-
-      if matches
-        date = sprintf("%04d-%02d-%02d", Integer(matches[3]), Integer(matches[1]), Integer(matches[2]))
-      else
-        puts "Can't determine date for: #{title}"
-        date = "#{yaml['cve'][/\d{4}/]}-01-01"
-      end
-    end
+    STDERR.puts "Processing: #{title}"
 
     filename = "#{date}-#{slug}.markdown"
     template = ERB.new <<-MARKDOWN
@@ -67,4 +57,4 @@ MARKDOWN
 
     File.open("source/_posts/#{filename}", "w") { |file| file << template.result(binding) }
   end
-end
\ No newline at end of file
+end