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Vulnerability Details : CVE-2013-0156

active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before 3.0.19, 3.1.x before 3.1.10, and 3.2.x before 3.2.11 does not properly restrict casts of string values, which allows remote attackers to conduct object-injection attacks and execute arbitrary code, or cause a denial of service (memory and CPU consumption) involving nested XML entity references, by leveraging Action Pack support for (1) YAML type conversion or (2) Symbol type conversion.
Publish Date : 2013-01-13 Last Update Date : 2023-02-13
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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) Denial Of ServiceExecute Code
CWE ID 20

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2604-1 rails - insufficient input validation oval:org.mitre.oval:def:19664 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-0156

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 6.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 7.0 * * * Version Details Vulnerabilities
3 Application Rubyonrails Rails * * * * Version Details Vulnerabilities
4 Application Rubyonrails Ruby On Rails * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Rubyonrails Rails 1
Rubyonrails Ruby On Rails 1

- References For CVE-2013-0156

https://puppet.com/security/cve/cve-2013-0156 CONFIRM
http://ics-cert.us-cert.gov/advisories/ICSA-13-036-01A
http://www.fujitsu.com/global/support/software/security/products-f/sw-sv-rcve-ror201301e.html CONFIRM
http://www.kb.cert.org/vuls/id/380039
CERT-VN VU#380039
http://rhn.redhat.com/errata/RHSA-2013-0153.html
REDHAT RHSA-2013:0153
http://rhn.redhat.com/errata/RHSA-2013-0155.html
REDHAT RHSA-2013:0155
http://www.insinuator.net/2013/01/rails-yaml/
http://weblog.rubyonrails.org/2013/1/28/Rails-3-0-20-and-2-3-16-have-been-released/ CONFIRM
http://lists.apple.com/archives/security-announce/2013/Mar/msg00002.html
APPLE APPLE-SA-2013-03-14-1
https://community.rapid7.com/community/metasploit/blog/2013/01/09/serialization-mischief-in-ruby-land-cve-2013-0156
http://rhn.redhat.com/errata/RHSA-2013-0154.html
REDHAT RHSA-2013:0154
http://www.debian.org/security/2013/dsa-2604
DEBIAN DSA-2604
https://groups.google.com/group/rubyonrails-security/msg/c1432d0f8c70e89d?dmode=source&output=gplain
MLIST [rubyonrails-security] 20130108 Multiple vulnerabilities in parameter parsing in Action Pack (CVE-2013-0156)
http://www.kb.cert.org/vuls/id/628463
CERT-VN VU#628463

- Metasploit Modules Related To CVE-2013-0156

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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