Exploit development can be an advanced penetration testing skill that takes time to master. Additionally, when on a job, pen testers often don’t have the resources to create a new exploit. Many resort to searching for and using pre-written exploits that have not been tested and must go through the timely effort of quality assurance testing in order to ensure they are secure and effective.
Core Impact users can save time by finding all the up-to-date exploits they need in one place. We provide a robust library of exploits designed to enable pen testers to safely and efficiently conduct successful penetration tests. Witten by our own internal team, you can trust they have been thoroughly tested and validated by our experts.
The universe of vulnerabilities is huge and not all of them represent the same risk for the customers. Vulnerabilities do not all have the same level of criticality. Some may be easily exploitable by a low-level user, while others may not be exploitable at all. To increase the efficiency of the attacks and the quality of the exploits provided, the Core Impact team has developed selection criteria to prioritize its analysis and implementation. We determine which exploits warrant creation based on the following questions:
What are the most critical attacks from the attacker’s perspective?
What new vulnerabilities are more likely to be exploited in real attacks?
What exploits are the most valuable for Core Impact?
Once an exploit is approved, its priority order considers the following variables:
Vulnerability Properties: CVE, disclosure date, access mechanism and privileges needed.
Target Environment Setup: OS, application prevalence, version and special configurations needed.
Value Provided to Core Impact: Customer request, usage in multiple attacks, allows the installation of an agent, etc.
Technical Cost vs. Benefit: An analysis weighing the resources needed to build an exploit with the internal and external knowledge gained in its creation.
Each one of these variables has a different weight and provides a ranking of the potential exploits to be developed. Following those criteria, the top of the list would contain, for example, a vulnerability on Windows (most popular OS) that can be exploited remotely, without authentication and that provides super user privileges.
Correspondingly, a vulnerability on an application that is rarely installed, needs special configurations, and requires User Interaction, would be at the bottom.
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This vulnerability allows remote attackers to bypass authentication on vulnerable installations of Oracle Secure Backup. User interaction is not required to exploit this vulnerability. The specific flaw exists in the logic used to authenticate a user to the administration server running on port 443. The script login.php does not properly sanitize the 'username' variable before using it in a database query. A specially crafted 'username' allows unauthorized attackers to log in with full administrative capabilities.
This module exploits a stack-based buffer overflow in VERITAS Backup Exec Remote Agent 9.0 through 10.0 for Windows, allowing remote attackers to execute arbitrary code via a CONNECT_CLIENT_AUTH request with authentication method type 3 (Windows credentials) and a long password argument. This module only works with localagent set as source.
The vulnerability is caused due to the banner-edit.php script allowing the upload of files with arbitrary extensions to a folder inside the webroot. This can be exploited to e.g. execute arbitrary PHP code by uploading a specially crafted PHP script that contains the GIF magic number.
OpenKM allows administrative users (those having the AdminRole) to run bean shell scripts. Due to this permission an attacker could lure an OpenKM administrator to a malicious web page that causes arbitrary OS commands to run in the administrators OpenKM session context.
NetBackup Java user-interface is affected by a remote format string vulnerability. An attacker can exploit this vulnerability by crafting a malicious request that contains format specifiers. A successful attack may result in crashing the server or lead to arbitrary code execution. This may facilitate unauthorized access or privilege escalation with SYSTEM or superuser privileges.
op5 Appliance contains an input validation flaw related to the system-portal component that allows a remote attacker to execute arbitrary shell commands via command injection.
This vulnerability allows remote attackers to execute arbitrary code on installations of Vermillion FTP Daemon, which can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to a boundary error with the handling of PORT commands. This can be exploited to cause a stack-based buffer overflow via an overly long, specially-crafted command passed to the affected server.
Windows
Exploits / Remote
Impact
UnrealIRCd Backdoor Unauthorized Access Exploit
This module exploits a remote command execution vulnerability found in some distributions of UnrealIRCd that contain a backdoor and installs an agent into the target host. The backdoor is present on the file Unreal3.2.8.1.tar.gz that was maliciously replaced on certain mirrors. The vulnerable file has the following MD5 checksum: 752e46f2d873c1679fa99de3f52a274d.
Input passed to the "orderby" parameter in cmd.php (when "cmd" is set to "query_engine", "query" is set to "none", and "search" is set to e.g. "1") is not properly sanitised in lib/functions.php before being used in a "create_function()" function call. This can be exploited to inject and execute arbitrary PHP code.
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Trend Micro OfficeScan Corporate Edition. The vulnerability is caused due to a boundary error within Trend Micro OfficeScan Corporate Edition when processing passwords with cgiChkMasterPwd.exe vulnerable module. This can be exploited to cause a stack-based buffer overflow via an overly long, specially-crafted argument passed to this module.
TurboFTP Server PORT Command Buffer Overflow Exploit
This module exploits a buffer overflow vulnerability in TurboFTP Server. This vulnerability can be exploited remotely by sending a specially crafted PORT command to port TCP/21.
Windows
Exploits / Remote
Impact
Ultra Mini HTTPD Stack Buffer Overflow Exploit
This vulnerability allows remote attackers to execute arbitrary code on a server running Mini HTTPD. The vulnerability is caused due to a boundary error within Mini HTTPD when processing HTTP GET Request. This can be exploited to cause a stack-based buffer overflow via an overly long, specially-crafted argument passed to the affected command. Authentication is not required to exploit this vulnerability.
This exploit sends messages of 256 bytes to "cam.exe" service in order to fill all target memory with the exploit code. The last message forces a buffer overflow and executes the code sent embedded in the previous messages.
Eval injection vulnerability in reserve.php in phpScheduleIt 1.2.10 and earlier, when magic_quotes_gpc is disabled, allows remote attackers to execute arbitrary PHP code via the start_date parameter.
phpMyAdmin is vulnerable to a remote code execution due the use of the unserialize method on user supplied data. This data is written in the config file and is accessible from the internet by default.
This module tries to install a RFI agent if the Web Browser Agent has administrator privileges on the application. This is a Cross Site Scripting Post Exploitation Module. You can use it both on a Typo3 XSS Agent or Web Browser Agent.
Exploits / Cross Site Scripting (XSS) / Known Vulnerabilities
Impact
Unisys Business Information Server Remote Buffer Overflow Exploit
This module exploits a remote buffer overflow in the Unisys Business Information Server by sending a specially crafted packet to the 3989/TCP port.
Static code injection vulnerability in setup.php in phpMyAdmin 2.11.x before 2.11.9.5 and 3.x before 3.1.3.1 allows remote attackers to inject arbitrary PHP code into a configuration file via the save action.
WarFTPd is a popular FTP server for Windows systems. WarFTPd is vulnerable to a buffer overflow in the way it handles the PASS command. This bug will be exploited in order to install an agent into the target machine. The WarFTPd server will be left inaccessible after successful exploitation.
This module exploits a Remote Code Execution vulnerability in Mantis version 1.1.3 caused by Mantis handling the sort parameter in manage_proj_page without the proper validation. This allows for remote code execution on Mantis' Web server. This module starts a web server on the Core Impact Console to publish the agent, which is downloaded from the target.
Wordpress W3 Total Cache PHP Remote Code Execution Exploit
This module exploits a vulnerability in W3 Total Cache plugin for Wordpress. Certain macros such as mfunc allow to inject PHP code into comments. By injecting a crafted comment into a valid post an attacker can execute arbitrary PHP code on systems running vulnerable installations of W3 Total Cache.
The internal stack may be overrun while handling either "XMD5", "XSHA1" or "XCRC" commands with an overly long filename. This condition can be exploited by attackers to ultimately execute instructions with the privileges of the WS_FTP process, typically administrator or system. Exploitation requires valid or anonymous FTP server credentials. The WS_FTP server will remain active after a successful exploitation.
After successful exploitation an agent will be deployed. This agent will inherit the user identity and capabilities of the abused service, usually those of the user used to login into the ftp server (ftp, for example). However, the uid (as opposite to the euid) of the agent will be that of the super user in most cases (usually 0), and by using the setuid module (see setuid module documentation), it can be changed. When an anonymous user is used, or if the server is configured to do this for other users, the deployed agent will be running in a chroot jail.