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USN-3945-1: Ruby vulnerabilities

11 April 2019

Several security issues were fixed in Ruby.

Releases

Packages

  • ruby1.9.1 - Object-oriented scripting language
  • ruby2.0 - Object-oriented scripting language
  • ruby2.3 - Object-oriented scripting language
  • ruby2.5 - Interpreter of object-oriented scripting language Ruby

Details

It was discovered that Ruby incorrectly handled certain RubyGems.
An attacker could possibly use this issue to execute arbitrary commands.
(CVE-2019-8320)

It was discovered that Ruby incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-8321, CVE-2019-8322, CVE-2019-8323, CVE-2019-8324, CVE-2019-8325)

Update instructions

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

Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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