USN-3626-1: Ruby vulnerabilities

16 April 2018

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

Details

It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-6914)

It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to access sensitive information. (CVE-2018-8778,
CVE-2018-8780)

It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to connect to an unintended socket. (CVE-2018-8779)

Update instructions

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

Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04

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