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Ubuntu 16.04 LTS : Doorkeeper vulnerabilities (USN-7394-1)

critical Nessus Plugin ID 233551

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7394-1 advisory.

 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)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected ruby-doorkeeper package.

See Also

https://ubuntu.com/security/notices/USN-7394-1

Plugin Details

Severity: Critical

ID: 233551

File Name: ubuntu_USN-7394-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/31/2025

Updated: 3/31/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2016-6582

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ruby-doorkeeper

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 3/31/2025

Vulnerability Publication Date: 8/18/2016

Reference Information

CVE: CVE-2016-6582, CVE-2018-1000088

USN: 7394-1