Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-3685-1: Ruby vulnerabilities

13 June 2018

Several security issues were fixed in Ruby.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • ruby1.9.1 - Object-oriented scripting language
  • ruby2.0 - Object-oriented scripting language
  • ruby2.3 - Object-oriented scripting language

Details

Some of these CVE were already addressed in previous
USN: 3439-1, 3553-1, 3528-1. Here we address for
the remain releases.

It was discovered that Ruby incorrectly handled certain inputs.
An attacker could use this to cause a buffer overrun. (CVE-2017-0898)

It was discovered that Ruby incorrectly handled certain files.
An attacker could use this to overwrite any file on the filesystem.
(CVE-2017-0901)

It was discovered that Ruby was vulnerable to a DNS hijacking vulnerability.
An attacker could use this to possibly force the RubyGems client to download
and install gems from a server that the attacker controls. (CVE-2017-0902)

It was discovered that Ruby incorrectly handled certain YAML files.
An attacker could use this to possibly execute arbitrary code. (CVE-2017-0903)

It was discovered that Ruby incorrectly handled certain files.
An attacker could use this to expose sensitive information.
(CVE-2017-14064)

It was discovered that Ruby incorrectly handled certain inputs.
An attacker could use this to execute arbitrary code. (CVE-2017-10784)

It was discovered that Ruby incorrectly handled certain network requests.
An attacker could possibly use this to inject a crafted key into a HTTP
response. (CVE-2017-17742)

It was discovered that Ruby incorrectly handled certain files.
An attacker could possibly use this to execute arbitrary code.
This update is only addressed to ruby2.0. (CVE-2018-1000074)

It was discovered that Ruby incorrectly handled certain network requests.
An attacker could possibly use this to cause a denial of service.
(CVE-2018-8777)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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.

Related notices

  • USN-3439-1: libruby1.9.1, ruby1.9.1-dev, ruby1.9.1-full, ruby1.9.3, ruby1.9.1-examples, libtcltk-ruby1.9.1, ruby1.9.1, ri1.9.1
  • USN-3553-1: libruby2.3, ruby2.3-tcltk, ruby2.3-doc, ruby2.3, ruby2.3-dev
  • USN-3685-2: ruby2.0-dev, ruby2.0-tcltk, ruby2.0-doc, libruby2.0, ruby2.0
  • USN-3528-1: libruby1.9.1, ruby1.9.1-dev, ruby1.9.1-full, ruby1.9.3, libruby2.3, ruby1.9.1-examples, ruby2.3-tcltk, libtcltk-ruby1.9.1, ruby1.9.1, ruby2.3-doc, ri1.9.1, ruby2.3, ruby2.3-dev
  • USN-3621-1: libruby1.9.1, ruby2.0-dev, ruby2.0-tcltk, ruby1.9.1-dev, ruby1.9.1-full, ruby1.9.3, libruby2.3, libruby2.0, ruby1.9.1-examples, libtcltk-ruby1.9.1, ruby2.0-doc, ruby1.9.1, ruby2.3-tcltk, ruby2.3-doc, ri1.9.1, ruby2.0, ruby2.3, ruby2.3-dev
  • USN-3621-2: libruby1.9.1, ruby2.0-dev, ruby2.0-tcltk, ruby1.9.1-dev, ruby1.9.1-full, ruby1.9.3, ruby1.9.1-examples, libruby2.0, ruby2.0-doc, libtcltk-ruby1.9.1, ruby1.9.1, ri1.9.1, ruby2.0