USN-3945-1: Ruby vulnerabilities
ruby1.9.1, ruby2.0, ruby2.3, ruby2.5 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in Ruby.
Software Description
- ruby2.5 – Interpreter of object-oriented scripting language Ruby
- 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 RubyGems.
An attacker could possibly use this issue to execute arbitrary commands.
(CVE-2019-8320)
It was discovered that Ruby incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-8321, CVE-2019-8322, CVE-2019-8323, CVE-2019-8324, CVE-2019-8325)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- libruby2.5 – 2.5.1-5ubuntu4.3
- ruby2.5 – 2.5.1-5ubuntu4.3
- Ubuntu 18.04 LTS
- libruby2.5 – 2.5.1-1ubuntu1.2
- ruby2.5 – 2.5.1-1ubuntu1.2
- Ubuntu 16.04 LTS
- libruby2.3 – 2.3.1-2~16.04.12
- ruby2.3 – 2.3.1-2~16.04.12
- Ubuntu 14.04 LTS
- libruby1.9.1 – 1.9.3.484-2ubuntu1.14
- libruby2.0 – 2.0.0.484-1ubuntu2.13
- ruby1.9.1 – 1.9.3.484-2ubuntu1.14
- ruby1.9.3 – 1.9.3.484-2ubuntu1.14
- ruby2.0 – 2.0.0.484-1ubuntu2.13
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
Source: USN-3945-1: Ruby vulnerabilities
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