Content-Security-Policy protection for user content disabled by Jenkins NeuVector Vulnerability Scanner Plugin

2022-10-1919:00:18

CWE-693

GitHub Advisory Database

github.com

jenkins

neuvector

content-security-policy

vulnerability

scanner

cross-site scripting

resource root url

static files

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.001

Percentile

33.5%

JSON

Jenkins sets the Content-Security-Policy header to static files served by Jenkins (specifically DirectoryBrowserSupport), such as workspaces, /userContent, or archived artifacts, unless a Resource Root URL is specified.

NeuVector Vulnerability Scanner Plugin 1.20 and earlier globally disables the Content-Security-Policy header for static files served by Jenkins whenever the ‘NeuVector Vulnerability Scanner’ build step is executed. This allows cross-site scripting (XSS) attacks by users with the ability to control files in workspaces, archived artifacts, etc.

Jenkins instances with Resource Root URL configured are unaffected.

Affected configurations

Vulners

Node

io.jenkins.pluginsneuvector-vulnerability-scannerRange≤1.20

VendorProductVersionCPE
io.jenkins.pluginsneuvector-vulnerability-scanner*cpe:2.3:a:io.jenkins.plugins:neuvector-vulnerability-scanner:*:*:*:*:*:*:*:*