Apache httpd 2.4 29 exploit metasploit

Apache httpd 2.4 29 exploit metasploit


  • Scanner HTTP Auxiliary Modules
  • Apache “Optionsbleed” vulnerability – what you need to know
  • List of Metasploit Linux Exploits (Detailed Spreadsheet)
  • Tryhackme Write-up – Bolt
  • Attackerkb Com Topics A5wZNaaVOE Cve 2021 41773
  • Vulnhub: Raven 2
  • Scanner HTTP Auxiliary Modules

    Apache 2. Configure Apache to ignore this file or upgrade to a newer version. Directory listing is often helpful when working on CTF boxes. There was also a. Unfortunately, the. Next, I ran wpscan. WordPress was fully up to date and there were no vulnerable plugins nor themes used.

    I found two users, steven and michael. I ran a brute force attack against them in the background, but ultimately this proved fruitless. WordPress was a rabbit hole. Finally, I ran dirb to attempt to find any hidden directories. Two files in the vendor directory revealed important information. This information is a bit redundant since I already knew that this was as a Debian 8 machine running Apache. Nevertheless, confirming the path to the web site could potentially save me from headaches later on.

    Part 2: Initial Foothold To get into the system, I ran searchsploit on phpmailer to see if the current version had any exploits available. Indeed, phpmailer 5. Searchsploit shows many exploits available for phpmailer. PHPMailer is more of a library than a web application. I remembered that the main site had a contact page with a form that looked suspiciously like it sent an e-mail. I fired up Burp Suite, filled up a contact form, and send a request.

    Burp Suite showed that the request was going to a page called mail. The contact page sends requests to mail. Had this not been a CTF, I probably would have assumed the site was broken and trying to exploit phpmailer without an e-mailing form would have not been worht my time.

    Out f ideas, I tried running the phpmailer exploits on contact. In CTF challenges, when a metasploit exploit is viable, I usually try that one first. A lot of CTF authors have metasploit in mind when developing their challenges. Metasploit options for a successful attack against phpmailer. Much to my surprise, I got a meterpreter shell from the vulnerable machine! It worked!. The PHPMailer exploit is fairly straightforward. CVE describes the details of the vulnerability. Essentially, we format our input to write files into the web directory which, in this case, contains PHP code.

    When you navigate to the page you wrote, the server executes the PHP code. I was able to get another reverse shell straight from Burp Suite by editing the contact request I captured earlier.

    Apache “Optionsbleed” vulnerability – what you need to know

    Learn more Well, something similar has happened again. PATCH: edit an existing item in a web database. TRACE: echo back what was uploaded for debugging purposes. By using OPTIONS you can avoid hammering a web server with requests that are never going to work, thus avoiding frustration at your end of the connection, and saving the server from wasted effort at the other.

    What went wrong? Some of the leaked data apparently looked like Apache-specific configuration settings. With the help of Apache developer Jacob Champion, they got to the bottom of it, and the bug is intriguingly arcane — a strong reminder of how far-reaching the effects of a minor-sounding bug can be. First, some background. Apache servers can be configured by putting files called.

    Whether the virtual hosts represent multiple departments inside the same organisation, or separate companies buying into a shared web hosting service, each customer can be given their own directory subtree. The subtrees can be locked down to safe defaults at the top of the tree; each customer can then reconfigure their own part of the server to be even stricter if they want. Rather than needing one computer, or one virtual machine, and one running copy of httpd for each customer, the hosting company can split up one high-powered server safely — in theory, at least — between numerous websites and customers.

    One of the settings you can configure in your. Thus the name Optionsbleed. How bad is it? Statistics suggest that about , of those would have been running Apache, for a bug-trigger rate of about 0. The leaked data comes from the memory of the Apache server software, and could in theory include content from other customers, or from the server itself.

    Similarly, a well-meaning customer could ruin it for everyone else by copying-and-pasting an. What to do? If you outsource your servers or your web hosting, ask your provider if they can apply the patch for you. Follow NakedSecurity on Twitter for the latest computer security news. Free tools.

    List of Metasploit Linux Exploits (Detailed Spreadsheet)

    I ran a brute force attack against them in the background, but ultimately this proved fruitless. WordPress was a rabbit hole. Finally, I ran dirb to attempt to find any hidden directories. Two files in the vendor directory revealed important information.

    Tryhackme Write-up – Bolt

    This information is a bit redundant since I already knew that this was as a Debian 8 machine running Apache. Nevertheless, confirming the path to the web site could potentially save me from headaches later on.

    Part 2: Initial Foothold To get into the system, I ran searchsploit on phpmailer to see if the current version had any exploits available. Indeed, phpmailer 5. Searchsploit shows many exploits available for phpmailer.

    PHPMailer is more of a library than a web application. I remembered that the main site had a contact page with a form that looked suspiciously like it sent an e-mail. I fired up Burp Suite, filled up a contact form, and send a request.

    Attackerkb Com Topics A5wZNaaVOE Cve 2021 41773

    Burp Suite showed that the request was going to a page called mail. The contact page sends requests to mail. Had this not been a CTF, I probably would have assumed the site was broken and trying to exploit phpmailer without an e-mailing form would have not been worht my time. Out f ideas, I tried running the phpmailer exploits on contact. In CTF challenges, when a metasploit exploit is viable, I usually try that one first. PATCH: edit an existing item in a web database. TRACE: echo back what was uploaded for debugging purposes.

    By using OPTIONS you can avoid hammering a web server with requests that are never going to work, thus avoiding frustration at your end of the connection, and saving the server from wasted effort at the other. What went wrong? Some of the leaked data apparently looked like Apache-specific configuration settings.

    With the help of Apache developer Jacob Champion, they got to the bottom of it, and the bug is intriguingly arcane — a strong reminder of how far-reaching the effects of a minor-sounding bug can be.

    First, some background.

    Vulnhub: Raven 2

    Apache servers can be configured by putting files called. Whether the virtual hosts represent multiple departments inside the same organisation, or separate companies buying into a shared web hosting service, each customer can be given their own directory subtree.

    The subtrees can be locked down to safe defaults at the top of the tree; each customer can then reconfigure their own part of the server to be even stricter if they want.

    Rather than needing one computer, or one virtual machine, and one running copy of httpd for each customer, the hosting company can split up one high-powered server safely — in theory, at least — between numerous websites and customers.


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