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USN-3621-2: Ruby regression

13 April 2018

USN-3621-1 caused a regression in Ruby.

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Releases

Packages

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

Details

USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due
to an incomplete patch for CVE-2018-1000074. This update reverts the
problematic patch pending further investigation.

We apologize for the inconvenience.

Original advisory details:

It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to access sensitive information. (CVE-2018-1000073)

It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000074)

It was discovered that Ruby incorrectly handled certain files. An attacker
could possibly use this to cause a denial of service. (CVE-2018-1000075)

It was discovered that Ruby incorrectly handled certain crypto signatures.
An attacker could possibly use this to execute arbitrary code. (CVE-2018-1000076)

It was discovered that Ruby incorrectly handled certain inputs. An attacker
could possibly use this to execute arbitrary code. (CVE-2018-1000077,
CVE-2018-1000078, CVE-2018-1000079)

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 14.04

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

References

Related notices

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