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Ubuntu 12.04 LTS: USN-1602-1 Moderate Access Risk: Ruby

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Calendar Grey October 10, 2012
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Upgrade your Ubuntu OS to address Ruby's security weaknesses in unverified applications from October 2012.
Ruby could allow excessive access in untrusted programs.

Summary

Ruby could allow excessive access in untrusted programs.

Software Description:

- ruby1.9.1: Interpreter of object-oriented scripting language Ruby

Details:

Tyler Hicks and Shugo Maeda 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-2012-4464, CVE-2012-4466)

Topics%20covered

Topics Covered

security advisory Ubuntu update instructions Ruby access risk

Update Instructions

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

Ubuntu 12.04 LTS:
  libruby1.9.1                    1.9.3.0-1ubuntu2.3

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

References

CVE-2012-4464, CVE-2012-4466

October 10, 2012

Topics%20covered

Topics Covered

security advisory Ubuntu update instructions Ruby access risk

Package Information

https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.0-1ubuntu2.3

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