USN-3621-1: Ruby vulnerabilities

05 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 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

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.

References

Related notices

USN-3685-1: ruby1.9.1, ruby1.9.3, libruby1.9.1, libruby2.0, libruby2.3, ruby2.0, ruby2.3
USN-3621-2: ruby1.9.1, ruby1.9.3, libruby1.9.1, libruby2.0, ruby2.0

Security