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List:       oss-security
Subject:    [oss-security] Re: CVE request: Fat Free CRM multiple vulnerabilities
From:       cve-assign () mitre ! org
Date:       2013-12-31 14:57:52
Message-ID: 201312311458.rBVEvqC7006687 () linus ! mitre ! org
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> I can confirm for issue 3 that the disclosure also involves to_xml.
> Please assign the additional CVE ID.

Use CVE-2013-7249.


> Re: denial of service, I don't believe this is an issue as the exploit
> only relates to read operations.

OK, there is no CVE assignment for this. Just for clarification, the
"denial of service" theory was related to:

  https://github.com/fatfreecrm/fat_free_crm/commit/cf26a04b356ad2161c4c6160260eb870a3de5328

specifically:

   -  resources :users, :id => /\d+/ do
   +  resources :users, :id => /\d+/, :except => [:index, :destroy] do

and:

   -   it "recognizes and generates #destroy" do
   -      { :delete => "/users/1" }.should route_to(:controller => "users", :action => "destroy", :id => "1")
   +    it "doesn't recognize #destroy" do
   +      { :delete => "/users/1" }.should_not be_routable

in which a reader might infer that a "destroy" of some data associated
with a user account would be a denial of service.

Our understanding now is that the presence of ":destroy" in the added
code string:

   , :except => [:index, :destroy]

does not prevent any type of attack, and therefore it is not a
vulnerability fix.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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