1. Ubuntu Security Notices
  2. USN-5806-1

USN-5806-1: Ruby vulnerability

Publication date

17 January 2023

Overview

Ruby could allow for internet traffic to be modified if a vulnerable application processed malicious user input.

Releases

Packages

  • ruby2.3 - Object-oriented scripting language

Details

Hiroshi Tokumaru discovered that Ruby did not properly handle certain
user input for applications the generate HTTP responses using cgi gem.
An attacker could possibly use this issue to maliciously modify the
response a user would receive from a vulnerable application.

Hiroshi Tokumaru discovered that Ruby did not properly handle certain
user input for applications the generate HTTP responses using cgi gem.
An attacker could possibly use this issue to maliciously modify the
response a user would receive from a vulnerable application.

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
16.04 xenial libruby2.3 –  2.3.1-2~ubuntu16.04.16+esm4  
ruby2.3 –  2.3.1-2~ubuntu16.04.16+esm4  

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.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›