Jenkins < 2.235.5 LTS / 2.243 Information Disclosure Vulnerability

critical Nessus Plugin ID 139734

Synopsis

A job scheduling and management system hosted on the remote web server is affected by an information disclosure vulnerability.

Description

The version of Jenkins running on the remote web server is 2.224 through 2.242 or is a version of Jenkins LTS 2.222.1 through 2.235.4. It is, therefore, affected by an information disclosure vulnerability exists due to an vulnerable Jetty 9.4.27 library. An unauthenticated, remote attacker can exploit this to disclose potentially sensitive information intended for other users.

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

Solution

Upgrade Jenkins to version 2.243 or later, Jenkins LTS to version 2.235.5 or later.

See Also

https://jenkins.io/security/advisory/2020-08-17/

Plugin Details

Severity: Critical

ID: 139734

File Name: jenkins_2_243.nasl

Version: 1.5

Type: combined

Agent: windows, macosx, unix

Family: CGI abuses

Published: 8/21/2020

Updated: 12/6/2022

Configuration: Enable thorough checks

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-17638

CVSS v3

Risk Factor: Critical

Base Score: 9.4

Temporal Score: 8.2

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

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

Vulnerability Information

CPE: cpe:/a:cloudbees:jenkins, cpe:/a:jenkins:jenkins

Required KB Items: installed_sw/Jenkins

Exploit Ease: No known exploits are available

Patch Publication Date: 8/17/2020

Vulnerability Publication Date: 8/17/2020

Reference Information

CVE: CVE-2019-17638