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USN-4089-1: Rack vulnerability

7 August 2019

Rack could allow cross-site scripting (XSS) attacks.

Releases

Packages

  • ruby-rack - modular Ruby webserver interface

Details

It was discovered that Rack incorrectly handled carefully crafted requests. A
remote attacker could use this issue to execute a cross-site scripting (XSS)
attack.

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References