This vulnerability involves the improper neutralization of special elements used in a command ('command injection') in Windows MSHTML, allowing an unauthorized attacker to execute a crafted DLL file located in a shared folder and bypass Mark of the Web. The steps performed by the exploit are: Creates a DLL containing an Impact agent and places it in an SMB file share. It also creates an .lnk file for direct access. Using the provided link, download the .lnk file in the browser. Because some browsers may change the .lnk extension, you can set ATTACH_FILE_NAME to end with .zip to send the .lnk inside a ZIP file. If necessary, unzip the file and run the .lnk file. Alternatively, run the .lnk directly from the SMB share using the direct link. If the target can access the SMB share on the Impact machine, the agent will be deployed without Mark of the Web or popup warnings.
The vulnerability exists in the WebObjects request handling mechanism where improper validation of the badparam parameter allows attackers to bypass authentication controls. The exploit performs the following steps: Connects to SolarWinds Web Help Desk and retrieves initial session cookies. Searches through headers, cookies, and HTML for the WebObjects session identifier. Accesses a special route with manipulated 'badparam' parameters to test the bypass. Exploits the improperly validated 'badparam' parameter to bypass login and obtain admin session. Creates a persistent URL that allows direct unauthorized access to the administrative panel.
This module exploits an unauthenticated arbitrary file upload in SmarterMail. The vulnerability consists of the arbitrary uploading of a non-binary file (asp, html, txt, etc.) to any location on the target machine without user authentication. However, the SmarterMail server listening on port 9998 (SYSTEM) simply uploads the file but cannot execute ASPX files. Furthermore, if the IIS server on port 80 is active, the file can be written to the root directory of that server and executed through it, with the permissions of the IIS user (a High Integrity Level user). The exploit first verifies that the target SmarterMail service is active and listening on its default administrative port, TCP/9998. It crafts a specially formed multipart/form-data POST request containing a malicious ASPX web shell. The request exploits an improper input validation vulnerability to perform directory path traversal (e.g., using sequences like ../../../). This bypasses the intended upload directory restrictions, allowing the file to be written to critical locations such as: 1)The SmarterMail web root (e.g., /interface/app/authentication/) 2)The root directory of the IIS web server hosting the application. After a successful upload, the script verifies the shell's deployment by sending an HTTP GET request to access the uploaded .aspx file. Primary access is attempted via the SmarterMail service on port 9998. A second check is performed via the standard IIS web service on port 80 (if listening). The web shell is designed to execute operating system commands passed via HTTP query parameters and return the command output within the HTTP response. As a demonstration of post-exploitation capabilities, If port 80 is listening can optionally deploy a Core Impact agent fileless HTA.
An authorization bypass vulnerability exists in the AsIO3.sys functionality of Asus Armoury Crate. A specially crafted hard link can lead to an authorization bypass. An attacker can create a hard link to trigger this vulnerability. This module allows a local unprivileged user to execute arbitrary code with SYSTEM privileges. The steps performed by the exploit to elevate privileges are: Leak the address of the current thread Leak the address of the current process token Leak the address of the SYSTEM process token Trigger the vulnerability to bypass the authorization Abuse the driver to overwrite PreviousMode Replace the current process token with the SYSTEM token Restore original PreviousMode value
The vulnerability exists within the GetCookie() endpoint due to unsafe deserialization of AuthorizationCookie objects. The application insecurely decrypts cookie data using AES-128-CBC and subsequently deserializes it via BinaryFormatter without sufficient type validation. The deployed agent will run with SYSTEM privileges. This exploit performs the following steps: Retrieves the ServerID via a SOAP request to the ReportingWebService. Obtains an authorization cookie. Obtains a reporting cookie. Constructs and sends a malicious event payload. Checks the server's response to confirm success
This module exploits an access control issue in Windows SMB clients to deploy a remote agent with SYSTEM privileges through a multi-stage attack chain: 1. DNS Injection: Adds a malicious DNS record 'localhost1UWhRCAAAAAAAAAAAAAAAAAAAAAAAAAAAAwbEAYBAAAA' via LDAP to the domain controller, pointing to the attacker's IP address. 2. NTLM Relay: Starts an ntlmrelayx server that waits for SMB authentication attempts and relays them to install an agent with SYSTEM privileges on the target system. 3. RPC Coercion: Forces the victim system to authenticate to the attacker-controlled DNS name using coercion techniques. Domain credentials from a regular user are required. The deployed agent gains SYSTEM privileges, allowing complete control of the compromised system. Affected versions: Windows 10 - 21H2 with os build less than 19044.5965 Windows 10 - 22H2 with os build less than 19045.5965 Windows 11 - 22H2 with os build less than 22621.5472 Windows 11 - 23H2 with os build less than 22631.5472 Windows 11 - 24H2 with os build less than 26100.4349 Windows Server 2019 with os build less than 17763.7434 Windows Server 2022 with os build less than 20348.3807
The Windows Cloud Files Mini Filter module (clfs.sys) present in Microsoft Windows is vulnerable to a Time-of-check Time-of-use (TOCTOU) race condition, which can result in arbitrary file write. This module allows a local unprivileged user to execute arbitrary code with SYSTEM privileges. The steps performed by the exploit are: Start RasMan service Create sync root directory Create junction directory Create target junction and symlink Register sync root Create threads to exploit race condition and detect exploitation Trigger race condition Write the agent and execute it
The Agere Windows Modem module (ltmdm64.sys) present in Microsoft Windows is vulnerable to an untrusted pointer dereference, which can result in arbitrary memory write. This module allows a local unprivileged user to execute arbitrary code with SYSTEM privileges. The steps performed by the exploit are: Leak the address of the current process Leak the address of the System process Leak the address of the I/O ring Trigger the vulnerability to overwrite IoRing->RegBuffersCount Trigger the vulnerability to overwrite IoRing->RegBuffers Leak the address of the System process token using I/O ring Overwrite the current process token using I/O ring Reset IoRing->RegBuffersCount to 0 Inject the agent into an elevated process
The Common Log File System Driver (clfs.sys) present in Microsoft Windows is vulnerable to a Use After Free, which can result in an arbitrary write. This module allows a local unprivileged user to execute arbitrary code with SYSTEM privileges. The steps performed by the exploit are: Create target directory Perform a pool spray using pipes Creates two threads to win the race condition and trigger the UAF Use the RtlSetAllBits function to enable all privileges in the current process Inject a new agent into an elevated process to run as SYSTEM Successful exploitation is probabilistic and depends critically on two factors: CLFS internal state: The log container lifecycle must be coerced into the precise sequence that releases a vulnerable structure while references remain accessible. Interruptions (other CLFS activity, antivirus hooks, or system load) can alter timing and invalidate the race window. Pool spray: The density, timing, and size-class alignment of sprayed pipe allocations must closely match the freed allocation slot. Memory fragmentation, other kernel consumers, or spray volume reduce the odds of landing a controlled object in the target slot.
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