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Test ID:1.3.6.1.4.1.25623.1.0.806621
Category:Web application abuses
Title:Jenkins CLI Multiple Vulnerabilities
Summary:Jenkins is prone to multiple vulnerabilities.;; This VT has been deprecated and replaced by the VTs 'Jenkins Multiple Vulnerabilities - Nov15 (Linux)' (OID: 1.3.6.1.4.1.25623.1.0.808269); and 'Jenkins Multiple Vulnerabilities - Nov15 (Windows)' (OID: 1.3.6.1.4.1.25623.1.0.807001).
Description:Summary:
Jenkins is prone to multiple vulnerabilities.

This VT has been deprecated and replaced by the VTs 'Jenkins Multiple Vulnerabilities - Nov15 (Linux)' (OID: 1.3.6.1.4.1.25623.1.0.808269)
and 'Jenkins Multiple Vulnerabilities - Nov15 (Windows)' (OID: 1.3.6.1.4.1.25623.1.0.807001).

Vulnerability Insight:
Multiple flaws exist as,

- Jenkins UI allows users to see the names of jobs and builds otherwise
inaccessible to them on the 'Fingerprints' pages.

- The salt used to generate the CSRF protection tokens is a publicly accessible
value.

- When creating a job using the create-job CLI command, external entities are
not discarded (nor processed).

- JNLP slave connections did not verify that the correct secret was supplied.

- The /queue/api URL could return information about items not accessible to
the current user.

- The CLI command overview and help pages in Jenkins were accessible without
Overall/Read permission.

- Access to the /jnlpJars/ URL was not limited to the specific JAR files users
needed to access, allowing browsing directories and downloading other files in
the Jenkins servlet resources.

- API tokens of other users were exposed to admins by default.

- Slaves connecting via JNLP were not subject to the optional slave-to-master
access control.

- Users with the permission to take slave nodes offline can enter arbitrary
HTML.

- An error due to unsafe deserialization.

Vulnerability Impact:
Successful exploitation will allow remote
attackers to gain access to sensitive information, conduct XXE, XSS and CSRF
attacks, and execute arbitrary code on the affected system.

Affected Software/OS:
All Jenkins main line releases up to and including 1.637,
all Jenkins LTS releases up to and including 1.625.1.

Solution:
Jenkins main line users should update to 1.638,
Jenkins LTS users should update to 1.625.2.

CVSS Score:
7.5

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2015-5318
RedHat Security Advisories: RHSA-2016:0070
https://access.redhat.com/errata/RHSA-2016:0070
RedHat Security Advisories: RHSA-2016:0489
http://rhn.redhat.com/errata/RHSA-2016-0489.html
Common Vulnerability Exposure (CVE) ID: CVE-2015-5319
Common Vulnerability Exposure (CVE) ID: CVE-2015-5320
Common Vulnerability Exposure (CVE) ID: CVE-2015-5324
Common Vulnerability Exposure (CVE) ID: CVE-2015-5321
Common Vulnerability Exposure (CVE) ID: CVE-2015-5322
Common Vulnerability Exposure (CVE) ID: CVE-2015-5323
Common Vulnerability Exposure (CVE) ID: CVE-2015-5325
Common Vulnerability Exposure (CVE) ID: CVE-2015-5326
CopyrightCopyright (C) 2015 Greenbone AG

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