USN-3626-1: Ruby vulnerabilities
16 April 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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
from Ubuntu Security Notices https://ift.tt/2H70rmB