USN-7394-1: Doorkeeper vulnerabilities

31 March 2025

Several security issues were fixed in ruby-doorkeeper.

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Releases

Packages

Details

Jonathan Clem and Justin Bull discovered that Doorkeeper could allow
arbitrary token revocation and replay attacks. An attacker could possibly
use this issue to gain unauthorized access to a system. (CVE-2016-6582)

It was discovered that Doorkeeper incorrectly handled storing client names.
An attacker could possibly use this issue to execute a cross-site
scripting (XSS) attack. (CVE-2018-1000088)

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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