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"Microsoft Windows 10 (17763.379) - Install DLL"

Author

SandboxEscaper

Platform

windows

Release date

2019-05-23

Release Date Title Type Platform Author
2019-06-14 "Aida64 6.00.5100 - 'Log to CSV File' Local SEH Buffer Overflow" local windows "Nipun Jaswal"
2019-06-13 "Pronestor Health Monitoring < 8.1.11.0 - Privilege Escalation" local windows PovlTekstTV
2019-06-11 "ProShow 9.0.3797 - Local Privilege Escalation" local windows Yonatan_Correa
2019-06-05 "IBM Websphere Application Server - Network Deployment Untrusted Data Deserialization Remote Code Execution (Metasploit)" remote windows Metasploit
2019-06-07 "Microsoft Windows - AppX Deployment Service Local Privilege Escalation (3)" local windows SandboxEscaper
2019-06-03 "Nvidia GeForce Experience Web Helper - Command Injection" local windows "Rhino Security Labs"
2019-06-04 "DVD X Player 5.5 Pro - Local Buffer Overflow (SEH)" local windows "Kevin Randall"
2014-11-24 "Microsoft Windows 8.1/ Server 2012 - 'Win32k.sys' Local Privilege Escalation (MS14-058)" local windows anonymous
2019-05-30 "Microsoft Windows Remote Desktop - 'BlueKeep' Denial of Service" dos windows n1xbyte
2019-05-28 "Petraware pTransformer ADC < 2.1.7.22827 - Login Bypass" remote windows "Faudhzan Rahman"
2019-05-23 "Microsoft Windows - AppX Deployment Service Local Privilege Escalation (2)" local windows SandboxEscaper
2019-05-29 "Free SMTP Server 2.5 - Denial of Service (PoC)" dos windows "Metin Yunus Kandemir"
2019-05-27 "Pidgin 2.13.0 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-24 "Microsoft Internet Explorer Windows 10 1809 17763.316 - Scripting Engine Memory Corruption" remote windows "Simon Zuckerbraun"
2019-05-24 "Axessh 4.2 - 'Log file name' Local Stack-based Buffer Overflow" local windows "Uday Mittal"
2019-05-15 "Microsoft Windows - 'Win32k' Local Privilege Escalation" local windows ExpLife0011
2019-05-22 "Microsoft Internet Explorer 11 - Sandbox Escape" local windows SandboxEscaper
2019-05-22 "Microsoft Windows (x84) - Task Scheduler' .job' Import Arbitrary Discretionary Access Control List Write / Local Privilege Escalation" local windows SandboxEscaper
2019-05-23 "Microsoft Windows 10 1809 - 'CmKeyBodyRemapToVirtualForEnum' Arbitrary Key Enumeration Privilege Escalation" local windows "Google Security Research"
2019-05-22 "Microsoft Windows (x84/x64) - 'Error Reporting' Discretionary Access Control List / Local Privilege Escalation" local windows SandboxEscaper
2019-05-23 "Microsoft Windows 10 (17763.379) - Install DLL" local windows SandboxEscaper
2019-05-24 "Fast AVI MPEG Joiner - 'License Name' Denial of Service (PoC)" dos windows Achilles
2019-05-24 "Cyberoam General Authentication Client 2.1.2.7 - 'Server Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'NetBIOS Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'Fully Qualified Domain Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam SSLVPN Client 1.3.1.30 - 'HTTP Proxy' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam SSLVPN Client 1.3.1.30 - 'Connect To Server' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-23 "Terminal Services Manager 3.2.1 - Denial of Service" dos windows "Alejandra Sánchez"
2019-05-23 "NetAware 1.20 - 'Share Name' Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-23 "NetAware 1.20 - 'Add Block' Denial of Service (PoC)" dos windows "Alejandra Sánchez"
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46916/?format=json')
                                                {"url": "https://www.nmmapper.com/api/exploitdetails/46916/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/46916/41333/microsoft-windows-10-17763379-install-dll/download/", "exploit_id": "46916", "exploit_description": "\"Microsoft Windows 10 (17763.379) - Install DLL\"", "exploit_date": "2019-05-23", "exploit_author": "SandboxEscaper", "exploit_type": "local", "exploit_platform": "windows", "exploit_port": null}
                                            

For full documentation follow the link above

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edit: Figure out how this works for yourself. I can't be bothered. It's a really hard race, doubt anyone will be able to repro anyway. Could be used with malware, you could programmatically trigger the rollback. Maybe you can even pass the silent flag to hide installer UI and find another way to trigger rollback (i.e through installer api, injecting into medium IL msiexec etc)

## Installer - capturing rolback scripts - patch bypass #2

There is still a race condition in the installer.

So there is a really small timing window to win a race, where if we set a junction after the check but before it writes the DACL we can still get our original PoC to work.

Again, it's a really small timing window, and while it appears to reliably reproduce on my setup.. I don't know if it will for yours. I've attached a procmon.exe log.

How to reproduce:

1. Run polarbear.exe (make sure to copy test.rbf and test.rbs in the same directory)

2. Open a cmd and run an installer (has to be an autoelevating installer in c:\windows\insatller) this way "msiexec /fa c:\windows\installer\123123213.msi"
When we pass the repair flag, it usually gives us a little more time to press the cancel button and trigger rollback. 
polarbear.exe will print out when you have to press cancel. So you don't press it too early!

3. If all is successful it will write oops.dll to system32. If failed.. make sure to delete the following folders: config.msi, new, new2, new3.
Use the included video demo as guide... as the process is kind of complicated!

Filter I used in procmon:

You should see this on a successful run:

The mount point on c:\config.msi has to be create after querynetworkfile and before setsecurityfile.



EDB Note ~ Download: https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/46916.zip