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App-Netdisco-2.027007
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Security Advisories (9)
CVE-2020-11022 (2020-04-29)

In jQuery versions greater than or equal to 1.2 and before 3.5.0, passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

CVE-2020-11023 (2020-04-29)

In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing <option> elements from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

CVE-2019-11358 (2019-04-20)

jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.

CVE-2015-9251 (2018-01-18)

jQuery before 3.0.0 is vulnerable to Cross-site Scripting (XSS) attacks when a cross-domain Ajax request is performed without the dataType option, causing text/javascript responses to be executed.

CVE-2011-4969 (2013-03-08)

Cross-site scripting (XSS) vulnerability in jQuery before 1.6.3, when using location.hash to select elements, allows remote attackers to inject arbitrary web script or HTML via a crafted tag.

CVE-2012-6708 (2018-01-18)

jQuery before 1.9.0 is vulnerable to Cross-site Scripting (XSS) attacks. The jQuery(strInput) function does not differentiate selectors from HTML in a reliable fashion. In vulnerable versions, jQuery determined whether the input was HTML by looking for the '<' character anywhere in the string, giving attackers more flexibility when attempting to construct a malicious payload. In fixed versions, jQuery only deems the input to be HTML if it explicitly starts with the '<' character, limiting exploitability only to attackers who can control the beginning of a string, which is far less common.

CVE-2020-7656 (2020-05-19)

jquery prior to 1.9.0 allows Cross-site Scripting attacks via the load method. The load method fails to recognize and remove "<script>" HTML tags that contain a whitespace character, i.e: "</script >", which results in the enclosed script logic to be executed.

CVE-2019-5428

Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution refers to the ability to inject properties into existing JavaScript language construct prototypes, such as objects. JavaScript allows all Object attributes to be altered, including their magical attributes such as _proto_, constructor and prototype. An attacker manipulates these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values. Properties on the Object.prototype are then inherited by all the JavaScript objects through the prototype chain. When that happens, this leads to either denial of service by triggering JavaScript exceptions, or it tampers with the application source code to force the code path that the attacker injects, thereby leading to remote code execution.

CVE-2014-6071 (2018-01-16)

jQuery 1.4.2 allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to use of the text method inside after.

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App::Netdisco::Manual::Deployment - Tips and Tricks for Deployment

Init and Run Control Scripts

The Netdisco applications will generate RC scripts suitable for Linux systems:

bin/netdisco-web get_init_file
bin/netdisco-daemon get_init_file

If you'd like to send a patch for BSD, please submit it against the Daemon::Control distribution.

Enable MD5 authentication to PostgreSQL

Some installations of PostgreSQL don't have MD5 authentication enabled by default, which blocks database connections with the default Netdisco configuration.

If your database and Netdisco are on the same system, then the easiest solution is to comment out the "host:" line in your deployment.yml file.

Alternatively, reconfigure PostgreSQL to permit MD5 auth for TCP connections by adding the following to your system's "pg_hba.conf" file (and restarting the database service):

# TYPE  DATABASE  USER  ADDRESS       METHOD
host    all       all   127.0.0.1/32  md5

Relocating the Installation

The installation process installs Netdisco self-contained to your home directory. The target directory can easily be changed by setting the NETDISCO_HOME environment variable, for example:

export NETDISCO_HOME=/opt/netdisco

Obviously, you'll need to substitute this wherever you see "~" in the installation instructions. The Netdisco application will use this setting itself to locate files and configuration.

Pass Options to the Web Frontend Daemon

Simply add any options after the "start" command. See other sections of this document for some examples.

Non-root Hosting

Netdisco will assume its web site is hosted at the apex of your server - that is, the document root. To relocate the web application, pass the --path parameter to the web startup script:

~/bin/netdisco-web start --path=/netdisco2

Alternatively, can set the path configuration option in your deployment.yml file:

path: '/netdisco2'

Listening Port for the Web Frontend

Pass the --port parameter to any of the web scripts. For example:

~/bin/netdisco-web start --port=8080

Listening Address for the Web Frontend

Pass the --host parameter to any of the web scripts. For example:

~/bin/netdisco-web start --host=127.0.0.1

Behind a Proxy

By default the web application daemon starts listening on port 5000 and goes into the background. This is ideal for hosting behind a web proxy (e.g. Apache with mod_proxy).

After enabling the headers, proxy and proxy_http modules in Apache, a suitable configuration would be:

ProxyPreserveHost On
ProxyPass / http://localhost:5000/ retry=0 timeout=60
ProxyPassReverse / http://localhost:5000/

ProxyRequests Off
<Proxy *>
  Order allow,deny
  Allow from all
</Proxy>

To combine this with Non-root Hosting as above, simply change the paths referenced in the configuration, and set path in your deployment.yml as discussed above. Note there is no trailing slash in the Apache config:

ProxyPass /netdisco2 http://localhost:5000/netdisco2 retry=0 timeout=60
ProxyPassReverse /netdisco2 http://localhost:5000/netdisco2

To delegate user authentication to Apache, use the trust_remote_user or trust_x_remote_user settings. See App::Netdisco::Manual::Configuration for more details.

SSL Support

There is no SSL support in the built-in web server. This is because it's not straightforward to support all the SSL options, and using port 443 requires root privilege, which the Netdisco application should not have.

You are instead recommended to run netdisco-web behind a reverse proxy as described elsewhere in this document. Apache can easily act as an SSL reverse proxy.

Further Reading...

Other ways to run and host the web application can be found in the Dancer::Deployment page. See also the plackup and starman documentation.