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Files from Spencer McIntyre

Email addresssmcintyre at securestate.com
First Active2011-01-12
Last Active2022-05-25
Plesk / myLittleAdmin ViewState .NET Deserialization
Posted May 22, 2020
Authored by Spencer McIntyre, wvu | Site metasploit.com

This Metasploit module exploits a ViewState .NET deserialization vulnerability in web-based MS SQL Server management tool myLittleAdmin, for version 3.8 and likely older versions, due to hardcoded machineKey parameters in the web.config file for ASP.NET. Popular web hosting control panel Plesk offers myLittleAdmin as an optional component that is selected automatically during "full" installation. This exploit caters to the Plesk target, though it should work fine against a standalone myLittleAdmin setup. Successful exploitation results in code execution as the user running myLittleAdmin, which is IUSRPLESK_sqladmin for Plesk and described as the "SQL Admin MSSQL anonymous account". Tested on the latest Plesk Obsidian with optional myLittleAdmin 3.8.

tags | exploit, web, code execution, asp
advisories | CVE-2020-13166
SHA-256 | 4124c84ac15efa5a91216b271b351c4f85f28724a0347ca062414a3d04b8a3b5
SMBv3 Compression Buffer Overflow
Posted Apr 6, 2020
Authored by Spencer McIntyre, Daniel Garcia Gutierrez, Manuel Blanco Parajon | Site metasploit.com

A vulnerability exists within the Microsoft Server Message Block 3.1.1 (SMBv3) protocol that can be leveraged to execute code on a vulnerable server. This local exploit implementation leverages this flaw to elevate itself before injecting a payload into winlogon.exe.

tags | exploit, local, protocol
advisories | CVE-2020-0796
SHA-256 | b897523218de261b528a25b48e985e91f958585e7ae9753a0c897e339abe8503
SharePoint Workflows XOML Injection
Posted Mar 26, 2020
Authored by Soroush Dalili, Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a vulnerability within SharePoint and its .NET backend that allows an attacker to execute commands using specially crafted XOML data sent to SharePoint via the Workflows functionality.

tags | exploit
advisories | CVE-2020-0646
SHA-256 | 583c7dc9e2c88b3f3622ee79ae7bc09a2e63d8641d172496c3143a024bc22425
SQL Server Reporting Services (SSRS) ViewState Deserialization
Posted Mar 12, 2020
Authored by Soroush Dalili, Spencer McIntyre | Site metasploit.com

A vulnerability exists within Microsoft's SQL Server Reporting Services which can allow an attacker to craft an HTTP POST request with a serialized object to achieve remote code execution. The vulnerability is due to the fact that the serialized blob is not signed by the server.

tags | exploit, remote, web, code execution
advisories | CVE-2020-0618
SHA-256 | 6a7a492f2dc70d4a79f4f4220d5e1a617458fbab09046134c7b6d7f120a2b5aa
Exchange Control Panel Viewstate Deserialization
Posted Mar 4, 2020
Authored by Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a .NET serialization vulnerability in the Exchange Control Panel (ECP) web page. The vulnerability is due to Microsoft Exchange Server not randomizing the keys on a per-installation basis resulting in them using the same validationKey and decryptionKey values. With knowledge of these, values an attacker can craft a special viewstate to cause an OS command to be executed by NT_AUTHORITY\SYSTEM using .NET deserialization.

tags | exploit, web
advisories | CVE-2020-0688
SHA-256 | 9ba178072e43dcc78183e17a6aebcaa356ad487774d5b60829b0623367acc1fb
RDP DOUBLEPULSAR Remote Code Execution
Posted Feb 4, 2020
Authored by Luke Jennings, Spencer McIntyre, wvu, Tom Sellers, Shadow Brokers, Equation Group | Site metasploit.com

This Metasploit module executes a Metasploit payload against the Equation Group's DOUBLEPULSAR implant for RDP. While this module primarily performs code execution against the implant, the "Neutralize implant" target allows you to disable the implant.

tags | exploit, code execution
SHA-256 | f0ef0fcf7c306ca7fdaac1b457a5965fc0fb4660b034334c65eb4de1b10073d7
Microsoft Windows LNK File Code Execution
Posted Nov 8, 2017
Authored by Yorick Koster, Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a vulnerability in the handling of Windows Shortcut files (.LNK) that contain a dynamic icon, loaded from a malicious DLL. This vulnerability is a variant of MS15-020 (CVE-2015-0096). The created LNK file is similar except an additional SpecialFolderDataBlock is included. The folder ID set in this SpecialFolderDataBlock is set to the Control Panel. This is enough to bypass the CPL whitelist. This bypass can be used to trick Windows into loading an arbitrary DLL file. The PATH option must be an absolute path to a writeable directory which is indexed for searching. If no PATH is specified, the module defaults to %USERPROFILE%.

tags | exploit, arbitrary
systems | windows
advisories | CVE-2015-0095, CVE-2017-8464
SHA-256 | 81346e7020afd7e94a6d9b253a4b2b5b1c2eba12306e57cf746fb11c43f51e4b
Razer Synapse rzpnk.sys ZwOpenProcess
Posted Jul 22, 2017
Authored by Spencer McIntyre | Site metasploit.com

A vulnerability exists in the latest version of Razer Synapse (v2.20.15.1104 as of the day of disclosure) which can be leveraged locally by a malicious application to elevate its privileges to those of NT_AUTHORITY\SYSTEM.

tags | exploit, web, arbitrary, shellcode
advisories | CVE-2017-9769
SHA-256 | 9240ec8d6ca5d5eb386ea5fd8d70c4669a8c2b74388b4cb929f23fc1508d1dd8
PHPMailer Sendmail Argument Injection
Posted Jan 4, 2017
Authored by Dawid Golunski, Spencer McIntyre | Site metasploit.com

PHPMailer versions up to and including 5.2.19 are affected by a vulnerability which can be leveraged by an attacker to write a file with partially controlled contents to an arbitrary location through injection of arguments that are passed to the sendmail binary. This Metasploit module writes a payload to the web root of the webserver before then executing it with an HTTP request. The user running PHPMailer must have write access to the specified WEB_ROOT directory and successful exploitation can take a few minutes.

tags | exploit, web, arbitrary, root
advisories | CVE-2016-10033, CVE-2016-10045
SHA-256 | 70cf2a666368f1670d184b2da81850b9fd8aabe74acc4c71858fb6c372248cc8
PowerShellEmpire Arbitrary File Upload (Skywalker)
Posted Nov 18, 2016
Authored by Spencer McIntyre, Erik Daguerre | Site metasploit.com

A vulnerability existed in the PowerShellEmpire server prior to commit f030cf62 which would allow an arbitrary file to be written to an attacker controlled location with the permissions of the Empire server. This exploit will write the payload to /tmp/ directory followed by a cron.d file to execute the payload.

tags | exploit, arbitrary
SHA-256 | 36491dd12b6c42a1f65d906a4cbc99b3799866ff52ce18af79b2b9c27d2497d6
HTA Web Server
Posted Oct 12, 2016
Authored by Spencer McIntyre | Site metasploit.com

This Metasploit module hosts an HTML Application (HTA) that when opened will run a payload via Powershell. When a user navigates to the HTA file they will be prompted by IE twice before the payload is executed.

tags | exploit
SHA-256 | b2890029452aac72aaed13d60918c04fee0c15114a063c3d0514f8f6ea9155b1
Windows TrackPopupMenu Win32k NULL Pointer Dereference
Posted Oct 28, 2014
Authored by Spencer McIntyre, juan vazquez, temp66 | Site metasploit.com

This Metasploit module exploits a NULL Pointer Dereference in win32k.sys, the vulnerability can be triggered through the use of TrackPopupMenu. Under special conditions, the NULL pointer dereference can be abused on xxxSendMessageTimeout to achieve arbitrary code execution. This Metasploit module has been tested successfully on Windows XP SP3, Windows 2003 SP2, Windows 7 SP1 and Windows 2008 32bits. Also on Windows 7 SP1 and Windows 2008 R2 SP1 64 bits.

tags | exploit, arbitrary, code execution
systems | windows
advisories | CVE-2014-4113
SHA-256 | 41b7d988b197d4b07886ef236a76dda4482ef1d09d5d87eb2dbc440af8850897
Pure-FTPd External Authentication Bash Environment Variable Code Injection
Posted Oct 2, 2014
Authored by Frank Denis, Spencer McIntyre, Stephane Chazelas | Site metasploit.com

This Metasploit module exploits the code injection flaw known as shellshock which leverages specially crafted environment variables in Bash. This exploit specifically targets Pure-FTPd when configured to use an external program for authentication.

tags | exploit, bash
advisories | CVE-2014-6271
SHA-256 | d1353f15ae7ed9aea8cd6b1644f5fbeada6291338684996bc3b3a388a0f3b2ec
MQAC.sys Arbitrary Write Privilege Escalation
Posted Jul 25, 2014
Authored by Spencer McIntyre, Matt Bergin | Site metasploit.com

A vulnerability within the MQAC.sys module allows an attacker to overwrite an arbitrary location in kernel memory. This Metasploit module will elevate itself to SYSTEM, then inject the payload into another SYSTEM process.

tags | exploit, arbitrary, kernel
advisories | CVE-2014-4971
SHA-256 | c3dce854c36c28e545304c300892721f5fed0a84228f0ce24204cc34d072d2a6
MS14-017 Microsoft Word RTF Object Confusion
Posted Apr 9, 2014
Authored by Haifei Li, Spencer McIntyre | Site metasploit.com

This Metasploit module creates a malicious RTF file that when opened in vulnerable versions of Microsoft Word will lead to code execution. The flaw exists in how a listoverridecount field can be modified to treat one structure as another. This bug was originally seen being exploited in the wild starting in April 2014. This Metasploit module was created by reversing a public malware sample.

tags | exploit, code execution
advisories | CVE-2014-1761
SHA-256 | dc312c58b345cdc30586c860d412b91fcac1d29d8b039194c3e389f62ccf5683
Windows TrackPopupMenuEx Win32k NULL Page
Posted Feb 11, 2014
Authored by Spencer McIntyre, Dan Zentner, Seth Gibson, Matias Soler | Site metasploit.com

This Metasploit module exploits a vulnerability in win32k.sys where under specific conditions TrackPopupMenuEx will pass a NULL pointer to the MNEndMenuState procedure. This Metasploit module has been tested successfully on Windows 7 SP0 and Windows 7 SP1.

tags | exploit
systems | windows
advisories | CVE-2013-3881, OSVDB-98212
SHA-256 | 181f4cfbdc09dfbd74b82a9c5495d3a4978f7ba84e532a43bc1638ebaee3ad62
Lianja SQL 1.0.0RC5.1 db_netserver Stack Buffer Overflow
Posted May 31, 2013
Authored by Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a stack buffer overflow in the db_netserver process which is spawned by the Lianja SQL server. The issue is fixed in Lianja SQL 1.0.0RC5.2.

tags | exploit, overflow
advisories | CVE-2013-3563
SHA-256 | 7e06bdae955716ffa265faef6d8a8657fd4b8897f76d0c56b6eba227f9c8cabd
SSH User Code Execution
Posted May 15, 2013
Authored by Spencer McIntyre | Site metasploit.com

This Metasploit module utilizes a stager to upload a base64 encoded binary which is then decoded, chmod'ed and executed from the command shell.

tags | exploit, shell
advisories | CVE-1999-0502
SHA-256 | 4e828bd76fd9d92b7193f91ff6cdf47c21ab888c351730fc0b672b1bdfa5d5fb
Firebird Relational Database CNCT Group Number Buffer Overflow
Posted Mar 8, 2013
Authored by Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a vulnerability in Firebird SQL Server. A specially crafted packet can be sent which will overwrite a pointer allowing the attacker to control where data is read from. Shortly, following the controlled read, the pointer is called resulting in code execution. The vulnerability exists with a group number extracted from the CNCT information, which is sent by the client, and whose size is not properly checked. This Metasploit module uses an existing call to memcpy, just prior to the vulnerable code, which allows a small amount of data to be written to the stack. A two-phases stackpivot allows to execute the ROP chain which ultimately is used to execute VirtualAlloc and bypass DEP.

tags | exploit, code execution
advisories | CVE-2013-2492
SHA-256 | 7de29ccbc4fc0af57c3834340b87fbe2ce27419e8888190bc1a4620767590552
Jenkins Script-Console Java Execution
Posted Jan 19, 2013
Authored by Spencer McIntyre, jamcut | Site metasploit.com

This Metasploit module uses the Jenkins Groovy script console to execute OS commands using Java.

tags | exploit, java
SHA-256 | d399ceb32f8d20399dd647bec028b96de469f3d117d253352dc348ede3915dd0
Netwin SurgeFTP Remote Command Execution
Posted Dec 24, 2012
Authored by sinn3r, Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a vulnerability found in Netwin SurgeFTP, version 23c8 or prior. In order to execute commands via the FTP service, please note that you must have a valid credential to the web-based administrative console.

tags | exploit, web
SHA-256 | d2cfc6fc7d86461f770fda0e4daee3857ea9a4952d95f4921e2a9e92c4b23c57
SurgeFTP Remote Command Execution
Posted Dec 20, 2012
Authored by Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a flaw in the SurgeFTP server's web-based administrative console to execute arbitrary commands.

tags | exploit, web, arbitrary
SHA-256 | 9c5497a6325d67d7f481c7eb716e3d3140096da4260b045df2ab7396b276dad6
MS11-080 AfdJoinLeaf Privilege Escalation
Posted Oct 3, 2012
Authored by Matteo Memelli, Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a flaw in the AfdJoinLeaf function of the afd.sys driver to overwrite data in kernel space. An address within the HalDispatchTable is overwritten and when triggered with a call to NtQueryIntervalProfile will execute shellcode. This Metasploit module will elevate itself to SYSTEM, then inject the payload into another SYSTEM process before restoring it's own token to avoid causing system instability.

tags | exploit, kernel, shellcode
advisories | CVE-2011-2005
SHA-256 | f6dc1203a74e12170988c31fabd455ab39d26e8231aa917f56967362c0509242
Termineter 0.1.0
Posted Jul 24, 2012
Authored by Spencer McIntyre | Site code.google.com

Termineter is a framework written in python to provide a platform for the security testing of smart meters. It implements the C12.18 and C12.19 protocols for communication. Currently supported are Meters using C12.19 with 7-bit character sets. Termineter communicates with Smart Meters via a connection using an ANSI type-2 optical probe with a serial interface.

tags | tool, protocol, python
systems | unix
SHA-256 | 8c72b50832476f3e05267e7d4f72848ea822e3c27a9f383258782999f96bcc12
Liferay XSL Command Execution
Posted Apr 7, 2012
Authored by Nicolas Gregoire, Spencer McIntyre | Site metasploit.com

This Metasploit module exploits a vulnerability in the XSL parser of the XSL Content Portlet. When Tomcat is present, arbitrary code can be executed via java calls in the data fed to the Xalan XSLT processor. If XSLPAGE is defined, the user must have rights to change the content of that page (to add a new XSL portlet), otherwise it can be left blank and a new one will be created. The second method however, requires administrative privileges.

tags | exploit, java, arbitrary
advisories | CVE-2011-1571, OSVDB-73652
SHA-256 | 7495092f0f3708dd15dbc023f72927b1df95d3321e5d2ee8abfac8bf7f05f086
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