1. Ubuntu Security Notices
  2. USN-3621-1

USN-3621-1: Ruby vulnerabilities

Publication date

5 April 2018

Overview

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 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. (

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)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful libruby2.3 –  2.3.3-1ubuntu1.4
ruby2.3 –  2.3.3-1ubuntu1.4
16.04 xenial libruby2.3 –  2.3.1-2~16.04.7
ruby2.3 –  2.3.1-2~16.04.7
14.04 trusty libruby1.9.1 –  1.9.3.484-2ubuntu1.8
libruby2.0 –  2.0.0.484-1ubuntu2.6
ruby1.9.1 –  1.9.3.484-2ubuntu1.8
ruby1.9.3 –  1.9.3.484-2ubuntu1.8
ruby2.0 –  2.0.0.484-1ubuntu2.6

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References

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