=========================================================================Ubuntu Security Notice USN-3626-1
April 16, 2018
ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Ruby.
Software Description:
- ruby2.3: Object-oriented scripting language
- ruby1.9.1: Object-oriented scripting language
- ruby2.0: 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:
libruby2.3 2.3.3-1ubuntu1.5
ruby2.3 2.3.3-1ubuntu1.5
Ubuntu 16.04 LTS:
libruby2.3 2.3.1-2~16.04.9
ruby2.3 2.3.1-2~16.04.9
Ubuntu 14.04 LTS:
libruby1.9.1 1.9.3.484-2ubuntu1.11
libruby2.0 2.0.0.484-1ubuntu2.9
ruby1.9.1 1.9.3.484-2ubuntu1.11
ruby1.9.3 1.9.3.484-2ubuntu1.11
ruby2.0 2.0.0.484-1ubuntu2.9
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3626-1
CVE-2018-6914, CVE-2018-8778, CVE-2018-8779, CVE-2018-8780
Package Information:
https://launchpad.net/ubuntu/+source/ruby2.3/2.3.3-1ubuntu1.5
https://launchpad.net/ubuntu/+source/ruby2.3/2.3.1-2~16.04.9
https://launchpad.net/ubuntu/+source/ruby1.9.1/1.9.3.484-2ubuntu1.11
https://launchpad.net/ubuntu/+source/ruby2.0/2.0.0.484-1ubuntu2.9
