David Vieira-Kurz (@secalert) on security.

1.67 Rating by ClearWebStats
secalert.net is 1 decade 3 years 1 month old. This website has a #1,046,838 rank in global traffic. It has a .net as an domain extension. This domain is estimated value of $ 720.00 and has a daily earning of $ 3.00. While no active threats were reported recently by users, secalert.net is SAFE to browse.
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Traffic Report of Secalert

Daily Unique Visitors: 460
Daily Pageviews: 920

Estimated Valuation

Income Per Day: $ 3.00
Estimated Worth: $ 720.00

Search Engine Indexes

Google Indexed Pages: Not Applicable
Yahoo Indexed Pages: Not Applicable
Bing Indexed Pages: Not Applicable

Search Engine Backlinks

Google Backlinks: Not Applicable
Bing Backlinks: Not Applicable
Alexa BackLinks: Not Applicable

Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: Not Applicable
WOT Trustworthiness: Not Applicable
WOT Privacy: Not Applicable
WOT Child Safety: Not Applicable

Website Ranks & Scores

Google Pagerank: Not Applicable
Alexa Rank: 1,046,838
Domain Authority: Not Applicable
Google Pagerank
PR 0 out of 10
PageSpeed Score
52
Siteadvisor Rating
View secalert.net site advisor rating Not Applicable

Where is secalert.net server located?

Hosted IP Address:

78.46.124.97 View other site hosted with secalert.net

Hosted Country:

secalert.net hosted country DE secalert.net hosted country

Location Latitude:

50.4779

Location Longitude:

12.3713

Social Engagement

Facebook Shares: Not Applicable
Facebook Likes: Not Applicable
Facebook Comments: Not Applicable
Twitter Count (Tweets): Not Applicable
Linkedin Shares: Not Applicable
Delicious Shares: Not Applicable

Page Resources Breakdown

View secalert.net HTML resources

Homepage Links Analysis

secalert on security

Website Inpage Analysis

H1 Headings: 1 H2 Headings: 4
H3 Headings: 40 H4 Headings: Not Applicable
H5 Headings: Not Applicable H6 Headings: Not Applicable
Total IFRAMEs: 1 Total Images: 6
Google Adsense: Not Applicable Google Analytics: Not Applicable

HTTP Header Analysis

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Date: ... 16 Mar 2016 15:15:33 GMT
:

If the http status code is followed by the date response header in the second line it usually means that it the page is using an Apache httpd as web server. In this case I assumed that an httpd is used in front of an Tomcat web server. If i am right then they could probably be using some module to dispatch the files between the httpd and the Tomcat web server which means I could potentially trick the routing to expose the source code of any ".jsp" or ".inc" files by appending specific lower ascii characters - depending on whether they are using a Connector or Handler.

Connector, Handler, File Descriptor


1) The Apache Tomcat Connectors
: If Apache httpd and Tomcat are configured to serve content from the same filing system location then care must be taken to ensure that httpd is not able to serve inappropriate content such as the contents of the WEB-INF directory or JSP source code. This could occur if the httpd DocumentRoot overlaps with a Tomcat Host's appBase or the docBase of any Context. It could also occur when using the httpd Alias directive with a Tomcat Host's appBase or the docBase of any Context.

2) Well, let's have a look on the Apache web server handler. A "handler" is an internal Apache representation of the action to be performed when a file is called. Generally, files have implicit handlers, based on the file type. Normally, all files are simply served by the server, but certain file types are "handled" separately. If you want to handle ".jsp" files you may for example use the Apache module "mod_mime" in order to associate the requested filename's extensions with the file's behavior (handlers and filters) and content (mime-type, language, character set and encoding).

What will the httpd do if you try to access file which is not explicitly associated with a handler or filter? Httpd will serve the file as plain text without further actions which means that we can potentially exploit this behaviour.

Analysis

In the case of my research of this particular target system i knew from the information gathering analysis that they were handling ".jsp" files, so i assumed that they are using an Apache httpd in the front and an Tomcat or similar web server in the back end of the architecture. So i tried to append some character to the file extension like this in order to get some information by forcing the system to run in some uncaught exceptions and show up with any anormally behaviour:
https://www.victim.tld/password.jsp
This, however did not work as expected. I was expecting the system to expose a stack trace or to run into a web application firewall, but instead if came it up with the following message:
HTTP ERROR: 400
Web server handler/filter/modules with similar issues in the past:
CVE-2007-1860: mod_jk double-decoding:

Domain Information for secalert.net

Domain Registrar: UNITED-DOMAINS AG secalert.net registrar info
Registration Date: 2011-03-28 1 decade 3 years 1 month ago
Last Modified: 2016-03-29 8 years 1 month 1 hour ago
Expiration Date: 2017-03-28 7 years 1 month 1 hour ago

Domain Nameserver Information

Host IP Address Country
ns.udag.de secalert.net name server information 192.174.68.8 secalert.net server is located in Austria Austria
ns.udag.net secalert.net name server information 176.97.158.8 secalert.net server is located in Austria Austria
ns.udag.org secalert.net name server information 176.97.158.91 secalert.net server is located in Austria Austria

DNS Record Analysis

Host Type TTL Extra
secalert.net A 3600 IP:78.46.124.97
secalert.net NS 86400 Target:ns.udag.net
secalert.net NS 86400 Target:ns.udag.org
secalert.net NS 86400 Target:ns.udag.de
secalert.net SOA 86400 MNAME:ns.udag.net
RNAME:hostmaster.united-domains.de
Serial:2015072401
Refresh:10800
Retry:3600
Expire:604800
secalert.net MX 14400 Priority:20
Target:mx01.udag.de
secalert.net MX 14400 Priority:10
Target:mx00.udag.de
secalert.net AAAA 3600 IPV6:2a01:4f8:c17:32c0::2

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