It was discovered that Rails, the Ruby web application development framework, performed insufficient validation on input parameters, allowing unintended type conversions. An attacker may use this to bypass authentication systems, inject arbitrary SQL, inject and execute arbitrary code, or perform a DoS attack on the application.

The remote host is affected by the vulnerability described in GLSA-201412-28 (Ruby on Rails: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Ruby on Rails. Please       review the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could execute arbitrary code or cause a Denial of       Service condition. Furthermore, a remote attacker may be able to execute       arbitrary SQL commands, change parameter names for form inputs and make       changes to arbitrary records in the system, bypass intended access       restrictions, render arbitrary views, inject arbitrary web script or       HTML, or conduct cross-site request forgery (CSRF) attacks.
  Workaround :

    There is no known workaround at this time.

The remote host is running a version of Mac OS X 10.6 or 10.7 that does not have Security Update 2013-001 applied.  This update contains numerous security-related fixes for the following components :

  - Apache
  - CoreTypes (10.7 only)
  - International Components for Unicode
  - Identity Services (10.7 only)
  - ImageIO
  - Messages Server (Server only)
  - PDFKit
  - Podcast Producer Server (Server only)
  - PostgreSQL (Server only)
  - Profile Manager (10.7 Server only)
  - QuickTime
  - Ruby (10.6 Server only)
  - Security
  - Software Update
  - Wiki Server (10.7 Server only)

Note that the update also runs a malware removal tool that will remove the most common variants of malware.

Fix for CVE-2013-0155 and CVE-2013-0156.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Import patches 633974b2759d9b92 and 4540e7102b803624 from uptream to remove symbol and YAML coercion from the XML parser.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Updated rubygem-actionpack, rubygem-activesupport, and rubygem-activerecord packages that fix multiple security issues are now available for Red Hat Subscription Asset Manager.

The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Ruby on Rails is a model-view-controller (MVC) framework for web application development. Action Pack implements the controller and the view components. Active Record implements object-relational mapping for accessing database entries using objects. Active Support provides support and utility classes used by the Ruby on Rails framework.

Multiple flaws were found in the way Ruby on Rails performed XML parameter parsing in HTTP requests. A remote attacker could use these flaws to execute arbitrary code with the privileges of a Ruby on Rails application, perform SQL injection attacks, or bypass the authentication using a specially-created HTTP request. (CVE-2013-0156)

Red Hat is aware that a public exploit for the CVE-2013-0156 issues is available that allows remote code execution in applications using Ruby on Rails.

Multiple input validation vulnerabilities were discovered in rubygem-activerecord. A remote attacker could possibly use these flaws to perform a SQL injection attack against an application using rubygem-activerecord. (CVE-2012-2661, CVE-2012-2695, CVE-2012-6496, CVE-2013-0155)

Multiple input validation vulnerabilities were discovered in rubygem-actionpack. A remote attacker could possibly use these flaws to perform a SQL injection attack against an application using rubygem-actionpack and rubygem-activerecord. (CVE-2012-2660, CVE-2012-2694)

Multiple cross-site scripting (XSS) flaws were found in rubygem-actionpack. A remote attacker could use these flaws to conduct XSS attacks against users of an application using rubygem-actionpack.
(CVE-2012-3463, CVE-2012-3464, CVE-2012-3465)

A flaw was found in the HTTP digest authentication implementation in rubygem-actionpack. A remote attacker could use this flaw to cause a denial of service of an application using rubygem-actionpack and digest authentication. (CVE-2012-3424)

Users are advised to upgrade to these updated rubygem-actionpack, rubygem-activesupport, and rubygem-activerecord packages, which resolve these issues. Katello must be restarted ('service katello restart') for this update to take effect.

ID	名稱	產品	系列	已發布	已更新	嚴重性
63457	Debian DSA-2604-1 : rails - insufficient input validation	Nessus	Debian Local Security Checks	2013/1/10	2021/1/11	high
79981	GLSA-201412-28 : Ruby on Rails: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2014/12/15	2021/1/6	critical
65578	Mac OS X Multiple Vulnerabilities (Security Update 2013-001)	Nessus	MacOS X Local Security Checks	2013/3/15	2024/5/28	high
63657	Fedora 16 : rubygem-actionpack-3.0.10-10.fc16 / rubygem-activemodel-3.0.10-2.fc16 / etc (2013-0686)	Nessus	Fedora Local Security Checks	2013/1/23	2021/1/11	high
82157	Debian DLA-172-1 : libextlib-ruby security update	Nessus	Debian Local Security Checks	2015/3/26	2021/1/11	high
64076	RHEL 6 : Ruby on Rails in Subscription Asset Manager (RHSA-2013:0154)	Nessus	Red Hat Local Security Checks	2013/1/24	2021/1/14	high
63654	Fedora 17 : rubygem-actionpack-3.0.11-8.fc17 / rubygem-activemodel-3.0.11-2.fc17 / etc (2013-0635)	Nessus	Fedora Local Security Checks	2013/1/23	2021/1/11	high

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