1. Ubuntu Security Notices
  2. USN-1603-1

USN-1603-1: Ruby vulnerabilities

Publication date

10 October 2012

Overview

Ruby could allow excessive access in untrusted programs.

Releases

Packages

  • ruby1.8 - Interpreter of object-oriented scripting language Ruby 1.8

Details

Shugo Maedo and Vit Ondruch discovered that Ruby incorrectly allowed untainted
strings to be modified in protective safe levels. An attacker could use this
flaw to bypass intended access restrictions. (CVE-2012-4466, CVE-2012-4481)

Shugo Maedo and Vit Ondruch discovered that Ruby incorrectly allowed untainted
strings to be modified in protective safe levels. An attacker could use this
flaw to bypass intended access restrictions. (CVE-2012-4466, CVE-2012-4481)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
12.04 precise libruby1.8 –  1.8.7.352-2ubuntu1.1
11.10 oneiric libruby1.8 –  1.8.7.352-2ubuntu0.2
11.04 natty libruby1.8 –  1.8.7.302-2ubuntu0.2
10.04 lucid libruby1.8 –  1.8.7.249-2ubuntu0.2

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References

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