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Vulnerability Details : CVE-2013-0333

lib/active_support/json/backends/yaml.rb in Ruby on Rails 2.3.x before 2.3.16 and 3.0.x before 3.0.20 does not properly convert JSON data to YAML data for processing by a YAML parser, which allows remote attackers to execute arbitrary code, conduct SQL injection attacks, or bypass authentication via crafted data that triggers unsafe decoding, a different vulnerability than CVE-2013-0156.
Publish Date : 2013-01-30 Last Update Date : 2013-03-15
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- CVSS Scores & Vulnerability Types

Cvss Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute CodeSql InjectionBypass a restriction or similar
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2013-0333

# Product Type Vendor Product Version Update Edition Language
1 Application Rubyonrails Ruby On Rails 2.3.0 Details Vulnerabilities
2 Application Rubyonrails Ruby On Rails 2.3.1 Details Vulnerabilities
3 Application Rubyonrails Ruby On Rails 2.3.2 Details Vulnerabilities
4 Application Rubyonrails Ruby On Rails 2.3.3 Details Vulnerabilities
5 Application Rubyonrails Ruby On Rails 2.3.4 Details Vulnerabilities
6 Application Rubyonrails Ruby On Rails 2.3.9 Details Vulnerabilities
7 Application Rubyonrails Ruby On Rails 2.3.10 Details Vulnerabilities
8 Application Rubyonrails Ruby On Rails 2.3.11 Details Vulnerabilities
9 Application Rubyonrails Ruby On Rails 2.3.12 Details Vulnerabilities
10 Application Rubyonrails Ruby On Rails 2.3.13 Details Vulnerabilities
11 Application Rubyonrails Ruby On Rails 2.3.14 Details Vulnerabilities
12 Application Rubyonrails Ruby On Rails 2.3.15 Details Vulnerabilities
13 Application Rubyonrails Ruby On Rails 3.0.0 RC2 Details Vulnerabilities
14 Application Rubyonrails Ruby On Rails 3.0.0 Beta Details Vulnerabilities
15 Application Rubyonrails Ruby On Rails 3.0.0 Details Vulnerabilities
16 Application Rubyonrails Ruby On Rails 3.0.0 RC Details Vulnerabilities
17 Application Rubyonrails Ruby On Rails 3.0.0 Beta3 Details Vulnerabilities
18 Application Rubyonrails Ruby On Rails 3.0.0 Beta4 Details Vulnerabilities
19 Application Rubyonrails Ruby On Rails 3.0.0 Beta2 Details Vulnerabilities
20 Application Rubyonrails Ruby On Rails 3.0.1 PRE Details Vulnerabilities
21 Application Rubyonrails Ruby On Rails 3.0.1 Details Vulnerabilities
22 Application Rubyonrails Ruby On Rails 3.0.2 Details Vulnerabilities
23 Application Rubyonrails Ruby On Rails 3.0.2 PRE Details Vulnerabilities
24 Application Rubyonrails Ruby On Rails 3.0.3 Details Vulnerabilities
25 Application Rubyonrails Ruby On Rails 3.0.4 RC1 Details Vulnerabilities
26 Application Rubyonrails Ruby On Rails 3.0.4 Details Vulnerabilities
27 Application Rubyonrails Ruby On Rails 3.0.4 RC Details Vulnerabilities
28 Application Rubyonrails Ruby On Rails 3.0.5 Details Vulnerabilities
29 Application Rubyonrails Ruby On Rails 3.0.5 RC1 Details Vulnerabilities
30 Application Rubyonrails Ruby On Rails 3.0.6 Details Vulnerabilities
31 Application Rubyonrails Ruby On Rails 3.0.6 RC1 Details Vulnerabilities
32 Application Rubyonrails Ruby On Rails 3.0.6 RC2 Details Vulnerabilities
33 Application Rubyonrails Ruby On Rails 3.0.7 RC2 Details Vulnerabilities
34 Application Rubyonrails Ruby On Rails 3.0.7 Details Vulnerabilities
35 Application Rubyonrails Ruby On Rails 3.0.7 RC1 Details Vulnerabilities
36 Application Rubyonrails Ruby On Rails 3.0.8 RC3 Details Vulnerabilities
37 Application Rubyonrails Ruby On Rails 3.0.8 Details Vulnerabilities
38 Application Rubyonrails Ruby On Rails 3.0.8 RC1 Details Vulnerabilities
39 Application Rubyonrails Ruby On Rails 3.0.8 RC4 Details Vulnerabilities
40 Application Rubyonrails Ruby On Rails 3.0.8 RC2 Details Vulnerabilities
41 Application Rubyonrails Ruby On Rails 3.0.9 RC2 Details Vulnerabilities
42 Application Rubyonrails Ruby On Rails 3.0.9 Details Vulnerabilities
43 Application Rubyonrails Ruby On Rails 3.0.9 RC3 Details Vulnerabilities
44 Application Rubyonrails Ruby On Rails 3.0.9 RC5 Details Vulnerabilities
45 Application Rubyonrails Ruby On Rails 3.0.9 RC1 Details Vulnerabilities
46 Application Rubyonrails Ruby On Rails 3.0.9 RC4 Details Vulnerabilities
47 Application Rubyonrails Ruby On Rails 3.0.10 RC1 Details Vulnerabilities
48 Application Rubyonrails Ruby On Rails 3.0.10 Details Vulnerabilities
49 Application Rubyonrails Ruby On Rails 3.0.11 Details Vulnerabilities
50 Application Rubyonrails Ruby On Rails 3.0.12 Details Vulnerabilities
51 Application Rubyonrails Ruby On Rails 3.0.12 RC1 Details Vulnerabilities
52 Application Rubyonrails Ruby On Rails 3.0.13 RC1 Details Vulnerabilities
53 Application Rubyonrails Ruby On Rails 3.0.13 Details Vulnerabilities
54 Application Rubyonrails Ruby On Rails 3.0.14 Details Vulnerabilities
55 Application Rubyonrails Ruby On Rails 3.0.16 Details Vulnerabilities
56 Application Rubyonrails Ruby On Rails 3.0.17 Details Vulnerabilities
57 Application Rubyonrails Ruby On Rails 3.0.18 Details Vulnerabilities
58 Application Rubyonrails Ruby On Rails 3.0.19 Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Rubyonrails Ruby On Rails 58

- References For CVE-2013-0333

http://www.kb.cert.org/vuls/id/628463
CERT-VN VU#628463
https://groups.google.com/group/rubyonrails-security/msg/52179af76915e518?dmode=source&output=gplain
MLIST [rubyonrails-security] 20130129 Vulnerability in JSON Parser in Ruby on Rails 3.0 and 2.3
http://lists.apple.com/archives/security-announce/2013/Mar/msg00002.html
APPLE APPLE-SA-2013-03-14-1
http://rhn.redhat.com/errata/RHSA-2013-0203.html
REDHAT RHSA-2013:0203
http://rhn.redhat.com/errata/RHSA-2013-0201.html
REDHAT RHSA-2013:0201
http://rhn.redhat.com/errata/RHSA-2013-0202.html
REDHAT RHSA-2013:0202
http://weblog.rubyonrails.org/2013/1/28/Rails-3-0-20-and-2-3-16-have-been-released/ CONFIRM
http://www.debian.org/security/2013/dsa-2613
DEBIAN DSA-2613

- Metasploit Modules Related To CVE-2013-0333

Ruby on Rails JSON Processor YAML Deserialization Scanner
This module attempts to identify Ruby on Rails instances vulnerable to an arbitrary object instantiation flaw in the JSON request processor.
Ruby on Rails JSON Processor YAML Deserialization Code Execution
This module exploits a remote code execution vulnerability in the JSON request processor of the Ruby on Rails application framework. This vulnerability allows an attacker to instantiate a remote object, which in turn can be used to execute any ruby code remotely in the context of the application. This vulnerability is very similar to CVE-2013-0156. This module has been tested successfully on RoR 3.0.9, 3.0.19, and 2.3.15. The technique used by this module requires the target to be running a fairly recent version of Ruby 1.9 (since 2011 or so). Applications using Ruby 1.8 may still be exploitable using the init_with() method, but this has not been demonstrated.


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