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Questions tagged [iis]

Internet Information Services (IIS) is a web server application and set of feature extension modules created by Microsoft for use with Microsoft Windows.

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1answer
114 views

Skip date check in Server certificate in Chrome

We have a web application on https port with server certificate valid from 01/01/2021 and valid to 31/12/2021. Due to some constraints the clients which are going to use web application are behind ...
2
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2answers
639 views

Is this test enough to proof that the web application is vulnerable to Login CSRF?

SCENARIO: web application which I think is affected by: a self-xss in the profile section of a user. logout CSRF login CSRF Below I described the test I did to check for the last 2 vulnerabilities, ...
1
vote
1answer
62 views

php / email / iis

in a certain page I have a newsletter subscription form, where the user enters his e-mail address and then through PHP an authenticated e-mail is sent to myself with the user's information (e-mail ...
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0answers
44 views

SSRF - Internal network surfing

If an IIS web server exposes a site in INTERNET, is it possible for an attacker to access internal sites by simply modifying the host header of initial request to internet site and refer another host ...
0
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1answer
82 views

Content-Type and Code Execution

I just got a message from a security guy that my application is executing remote code if they pass a Content-Type: image/asp. For now he does not disclose anything. Now my question is that if I am ...
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0answers
483 views

How do you implement an SSL certificate for a private intranet site? [duplicate]

We have a private intranet site, created in vb.net running on Windows Server 2019. I want to use https, so a padlock displays in the browser rather than, "Not secured". I can't figure out ...
1
vote
1answer
733 views

Slow HTTP POST vulnerability in IIS 10

I ran a Qualys scan on my website and got a Slow HTTP POST vulnerability. In particular, server resets timeout after accepting request data from peer. From what I understood from this finding, ...
0
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1answer
477 views

TLS 1.2 and HTTPS [duplicate]

This question may be silly but I've a hard time understanding TLS 1.2 and accessing a website via HTTPS. I've received a report from a web security tool that my website is not HTTPS and I have to ...
1
vote
1answer
122 views

An intranet web app for decrypting values : a bad idea, and if so, why?

We have to protect a database connection string for a .NET desktop application that has an application-level database user. One option is to encrypt a section of the app.config using asp_regiis. But ...
0
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1answer
134 views

How to best limit SQL injection attacks that are being funneled through an Apache proxy I control

I use an Apache proxy to funnel traffic to an IIS server. The IIS server sends me emails if some bad actor attacks my site with an sql injection attack. It captures their IP address, and sends me the ...
1
vote
1answer
549 views

How to make use of a exploit that is not available in metasploit? [closed]

I want to exploit a Microsoft IIS HTTPD 10.0 server open which is open in PORT 80. However there is no available exploits in Metasploit but there are few vulnerabilities in this site. Is it possible ...
0
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1answer
110 views

Check the origin header server-wide in IIS to prevent CSRF through the IIS configuration change Only

Could you please let me know how can we check the origin header server-wide in IIS to prevent CSRF through the configuration change only without adding a custom HTTP module in IIS?
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0answers
799 views

Active Directory authentication with a Login form ASP.NET MVC5

I want to create a web application with a login form and authenticate with Active Directory account. Our users sometimes use a device that users cannot log in, so we don't want to use Windows ...
1
vote
1answer
243 views

IIS FTPS Best Practise

I have the task to place an FTP server in the company DMZ for our partners to store sensitive data that can not be sent by mail. I have chosen the IIS FTPS. I will generate a self-signed certificate ...
0
votes
1answer
95 views

Detect vulnerability based on IIS log [closed]

Is there any tools to detect website vulnerability/suspicious request from IIS log? I was asked to do log review. The logs include IIS Log and Event Log. Is there any tools to detect if there's any ...
3
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0answers
64 views

What does IIS query string validation protect from?

Recently we had a failure in one of our systems because IIS rejects query strings with (URL encoded) parameter values containing the sequence &#. It doesn't reject & #. We've got tired of ...
0
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0answers
209 views

Determining clients connecting to IIS using CBC ciphers. (preparing for Lucky13 remediation)

I am trying to determine the impact of re-mediating a lucky 13 vulnerability; which i understand requires disabling CBC cipher modes. So far i have added custom logging to my IIS instance to capture ...
2
votes
2answers
183 views

Secure AWS instance metadata against potential SSRF

I am running a Windows instance on AWS. The instance has an IIS service running on it. The IIS service has a user associated to it and it has no need to access the AWS instance metadata. I was ...
6
votes
1answer
389 views

Risk of allowing the string "xss" in query string

A former employee, put the following in our "global.axas" if (url.Contains("xss")){ response.StatusCode = 404; response.end(); } I get he was trying to prevent cross site scripting, but other than ...
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0answers
41 views

How filter a GET parameter for a specific URL in IIS 10?

I have an openredirect vulnerability on my web application. You can learn about this with the following link: https://stackoverflow.com/questions/48340714/azure-ad-b2c-vulnerable-to-open-redirect ...
1
vote
2answers
702 views

Can I get an SSL certificate even if external DNS does not resolve

I have an intranet website that requires an SSL Certificate. From what I've seen it seems like this is difficult to accomplish or cumbersome. Would I be able to buy an SSL certificate if there is an ...
1
vote
2answers
92 views

IIS Application - service account permissions

My company is looking to install a 3rd party application on our infrastructure and this application will be installed on an IIS Server with a connection to a SQL server. They require an AD service ...
1
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1answer
400 views

It is possible to enumerate/discover IIS applications from outside?

I wonder if it is possible that someone, from the Internet, could be able to discover services provided via IIS by knowing only the IP address. If yes, how? And how can I protect my IIS from this ...
2
votes
1answer
541 views

How could ASP.NET forms authentication session leak into a different site?

We're dealing with a vulnerability where a forms authentication from one site can be used within a separate site. I can't figure out how is IIS or ASP.NET allowing this to occur Steps: Login to ...
0
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0answers
2k views

Windows Firewall blocking local access to SQL Server?

I have an AWS virtual machine running a web application on IIS that connects to a SQL Server database (on the same machine). Recently, I have noticed that there are a plethora of failed login attempts ...
1
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2answers
2k views

2-way SSL - is it possible to accept multiple client certs on one IIS site?

A client has asked us to build an API which requires two-way SSL. Will we be able to expose that same API to other clients with different certificates? Or will we have to set up a different endpoint ...
2
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1answer
291 views

Security Log Analyze [closed]

is there any tools that I give it web server log (like Apache web server) and analyze it if there was any attack or not? I don't want to use SIEM.
1
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1answer
158 views

Deny access to IIS Server from IP local range

I have a local IIS 10 Server, this server runs a critical application. I want to deny access for this server from IP local network and allow only 2 or 3 IP-addresses. Additionally I want to log any ...
1
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0answers
192 views

SSL Certificates and Private Key passhprases

I'm trying to put together a new PKI program for my company, and I'm a little turned around on the concept of Private Keys and passphrases. We'd like to implement Microsoft Active Directory ...
3
votes
2answers
588 views

Configuration for Windows account mapped to IIS certificate authorization

I need to connect two servers in different locations in order for one of them (Linux stack) issues HTTP periodic requests to the other (Windows stack) using cron based jobs. On the Windows machine, I ...
1
vote
1answer
2k views

IIS - giving service accounts admin rights?

I'm looking at a application running on IIS which requires service account(s) to run some services/software, however the service account requires LOCAL ADMIN access which is against policy. Are there ...
3
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0answers
353 views

What trivial attacks is ASP.NET MVC mixed-mode auth vulnerable to?

In a 2012 MSDN blog post, Microsoft discourages mixed-mode authentication in ASP.NET MVC for being vulnerable to trivial attacks: The ASP.NET team doesn’t support using mixed-mode authentication in ...
0
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1answer
190 views

Is it safe to remove read-only attribute from wwwroot?

I have recently moved to a windows 2012 R2 serevr. I have problem for deleting files through HTTP even though I have granted modify,write and read permissions to IIS_ISURS. I noticed that inetpub/...
2
votes
1answer
392 views

How secure IIS run together with XAMPP?

I'm using IIS for web server & run phpMyAdmin via IIS. But now, I saw someone use IIS and XAMPP. There is something I wanted to know. Usually they set : XAMPP to localhost:81 or localhost:...
1
vote
1answer
150 views

Islanding vs server lockdown

TL;DR: We're considering disconnecting our manufacturing computers from the outside world. How much less secure would it be to connect them only to a local server, which in turn connected to the ...
2
votes
1answer
557 views

SSL certificate for WebAPI

We have a simple system with a REST service (WebAPI) that will be hosted on one machine (hosted on IIS on a custom port, port numer 3031) and with a website hosted on another machine that will be ...
1
vote
1answer
73 views

Use D Parameter Of Private Key as HMAC Secret for JWT in a Load Balanced Environment

I need to use a signature for a JWT that needs to be created or verified on 12 different servers running in a load balanced environment. They all already have the same RSA Key Pair stored in the ...
0
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1answer
908 views

Is it safe to use an AD account to run an App Pool in IIS in order to provide SQL read/write permissions to a web app?

I've been working on an intranet web application that provides read/write, role-based access to a database. I have been asked to configure the IIS application to use an AD account for the Application ...
0
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0answers
4k views

Prevention of host header injection in ASP.NET?

How can we mitigate host header injection in ASP.NET? I have already configured application binding in IIS and set static hostname but still, the vulnerability exists.
1
vote
0answers
702 views

Windows server configured for TLS 1.1 and 1.2 but scans as 1.2 only

I've got a Windows 2008 R2 server with both TLS 1.1 and TLS 1.2 enabled (but TLS 1.0 disabled) in the registry. In other words, Enabled = 0xffffffff and DisabledByDefault = 0 under both the Client and ...
2
votes
0answers
2k views

how to fix Out-of-band resource load (HTTP) issue identified by BURP scan

I have Salesforce application which is using my web application hosted in one of our customer's server (IIS 8.0). BURP Scan has identified one issue in my web application. Issue is something like ...
0
votes
1answer
563 views

django-python3-ldap Does TLS Encrypt AD Passwords When Site is Hosted on http

I have implemented django-python3-ldap and integrated AD with my Django project. The project will be hosted on IIS as an intranet site that is served solely over http. I am deciding between using this ...
3
votes
1answer
135 views

Can you start a shell with a service account in Windows?

In windows, there are service accounts like HOSTNAME\IUSR which are able to run certain processes (IIS in this case). Are these accounts vulnerable to being broken into and starting a remote shell (...
0
votes
1answer
127 views

What attacks is my website subceptable to and how can I prevent them? [closed]

I am developing a website using this book. From my knowledge and from the book, the major issues that I would have to look out for are XSS, CRSF and SQL injection attacks. I have found that there is ...
5
votes
2answers
1k views

Vulnerable framework and IIS server version's are being displayed in an error page of a 3rd party application

As security tester, I need to report and justify that a security misconfiguration in a 3rd party application is a risk to us. Following is the scenario: 1.) There is a 3rd party application which ...
2
votes
1answer
4k views

Is SSL still secure if SSL Settings in IIS is set to ignore or accept only?

Is SSL still secure if SSL Settings in IIS is set to ignore or accept only? I have setup my https and I can access it in my browser even it is set to require ssl and clientCredentialType = ...
2
votes
2answers
410 views

Can enforcing a website to serve SSL requests only prevent SSLstrip from working?

I understand running a website with HSTS can help prevent an attacker using KRACK to downgrade the website to serve HTTP requests. What if our web server does not support HSTS? IIS has a setting ...
2
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0answers
32 views

IIS 7.5 don't let to use stream cipher! [closed]

Internet Information Services 7.5 in Windows 7 don't let me to use stream cipher. When I change the local group policy to force the use of stream cipher or GCM mode, which works like stream cipher, ...
1
vote
1answer
376 views

SERVER-IIS multiple extension code execution attempt

Sourcefire detected a SERVER-IIS multiple extension code execution attempt event and captured a packet. It originated from a Chinese IP, AbuseIPDB has several records about its malicious activity. ...
-1
votes
1answer
33 views

Secure access to pre authorized individuals only on application server [closed]

I am building a PHP application and would like to lock the backend (even login page) to only be accessible to preauthorized people - even further be able to link activities to the authorized ...