Proof of concept of CVE-2022-21907 Double Free in http.sys driver, triggering a kernel crash on IIS servers

Related tags

Security related resourcespythoncrashpocrceiis-servercve-2022-21907
Overview

CVE-2022-21907 - Double Free in http.sys driver

GitHub release (latest by date)

Summary

An unauthenticated attacker can send an HTTP request with an "Accept-Encoding" HTTP request header triggering a double free in the unknown coding-list inside the HTTP Protocol Stack (http.sys) to process packets, resulting in a kernel crash.

Vulnerable systems

  • Windows Server 2019 and Windows 10 version 1809:
    • ❌ Not vulnerable by default. Unless you have set the HTTP Trailer Support to EnableTrailerSupport in HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\HTTP\Parameters\, the systems are not vulnerable.
  • Windows 10 version 2004 (build 19041.450):
    • ✔️ Vulnerable

You can find the http.sys driver of Windows 10 version 2004 (build 19041.450) here:

Patch status Driver
Before patch ./ressources/drivers_before_update/C/Windows/System32/drivers/http.sys
After patch ./ressources/drivers_after_update/C/Windows/System32/drivers/http.sys

Demonstration

poc_cve-2022-01-18_12.35.35.mp4

Usage

$ ./CVE-2022-21907_http.sys_crash.py -h
usage: CVE-2022-21907_http.sys_crash.py [-h] -t TARGET [-v]

Description message

optional arguments:
  -h, --help            show this help message and exit
  -t TARGET, --target TARGET
                        Target IIS Server.
  -v, --verbose         Verbose mode. (default: False)

Call graph at the moment of the crash

Call graph:

STACK_TEXT:
ffffca0d`46cdf158 fffff800`4a1efe29 : 00000000`00000139 00000000`00000003 ffffca0d`46cdf480 ffffca0d`46cdf3d8 : nt!KeBugCheckEx
ffffca0d`46cdf160 fffff800`4a1f0250 : 00000000`00001000 ffffca0d`46cdf4a0 fffff800`4aa4ef00 00000000`00000000 : nt!KiBugCheckDispatch+0x69
ffffca0d`46cdf2a0 fffff800`4a1ee5e3 : 00000000`00000000 00000000`00000002 00000000`c0000225 01b00030`4a1ec14c : nt!KiFastFailDispatch+0xd0
ffffca0d`46cdf480 fffff800`4707f537 : 00000000`00000010 00000000`00010202 ffffca0d`46cdf638 00000000`00000018 : nt!KiRaiseSecurityCheckFailure+0x323
ffffca0d`46cdf610 fffff800`47036ac5 : ffff930c`202efef9 ffffca0d`00000001 ffffca0d`46cdf694 00000000`00000000 : HTTP!UlFreeUnknownCodingList+0x63
ffffca0d`46cdf640 fffff800`4700d191 : ffff70ca`b45420d8 ffffca0d`46cdf819 00000000`00000010 fffff800`4700d140 : HTTP!UlpParseAcceptEncoding+0x298f5
ffffca0d`46cdf730 fffff800`46fe9368 : fffff800`46fb46e0 ffffca0d`46cdf819 ffff930c`210ca050 00000000`00000000 : HTTP!UlAcceptEncodingHeaderHandler+0x51
ffffca0d`46cdf780 fffff800`46fe8a47 : ffffca0d`46cdf8e8 00000000`00000004 00000000`00000000 00000000`00000010 : HTTP!UlParseHeader+0x218
ffffca0d`46cdf880 fffff800`46f44c5f : ffff930c`19c16228 ffff930c`19c16010 ffffca0d`46cdfa79 00000000`00000000 : HTTP!UlParseHttp+0xac7
ffffca0d`46cdf9e0 fffff800`46f4490a : fffff800`46f44760 ffff930c`202efcf0 00000000`00000000 00000000`00000001 : HTTP!UlpParseNextRequest+0x1ff
ffffca0d`46cdfae0 fffff800`46fe4852 : fffff800`46f44760 fffff800`46f44760 00000000`00000001 00000000`00000000 : HTTP!UlpHandleRequest+0x1aa
ffffca0d`46cdfb80 fffff800`4a146745 : ffff930c`19c16090 fffff800`46fb5f80 00000000`00000284 00000000`00000000 : HTTP!UlpThreadPoolWorker+0x112
ffffca0d`46cdfc10 fffff800`4a1e5598 : ffffa580`1afc0180 ffff930c`1eec0040 fffff800`4a1466f0 00000000`00000246 : nt!PspSystemThreadStartup+0x55
ffffca0d`46cdfc60 00000000`00000000 : ffffca0d`46ce0000 ffffca0d`46cda000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x28

Function call graph:

 ───> nt!KiStartSystemThread+0x28
 │    ├──> nt!PspSystemThreadStartup+0x55
 │    │    ├──> HTTP!UlpThreadPoolWorker+0x112
 │    │    │    ├──> HTTP!UlpHandleRequest+0x1aa
 │    │    │    │    ├──> HTTP!UlpParseNextRequest+0x1ff
 │    │    │    │    │    ├──> HTTP!UlParseHttp+0xac7
 │    │    │    │    │    │    ├──> HTTP!UlParseHeader+0x218
 │    │    │    │    │    │    │    ├──> HTTP!UlAcceptEncodingHeaderHandler+0x51
 │    │    │    │    │    │    │    │    ├──> HTTP!UlpParseAcceptEncoding+0x298f5
 │    │    │    │    │    │    │    │    │    ├──> HTTP!UlFreeUnknownCodingList+0x63
 │    │    │    │    │    │    │    │    │    │    ├──> nt!KiRaiseSecurityCheckFailure+0x323
 │    │    │    │    │    │    │    │    │    │    │    ├──> nt!KiFastFailDispatch+0xd0
 │    │    │    │    │    │    │    │    │    │    │    │    ├──> nt!KiBugCheckDispatch+0x69
 │    │    │    │    │    │    │    │    │    │    │    │    │    └──> nt!KeBugCheckEx

References

You might also like...
Proof of concept to check if hosts are vulnerable to CVE-2021-41773

CVE-2021-41773 PoC Proof of concept to check if hosts are vulnerable to CVE-2021-41773. Description (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV

Jordan Jay 43 Nov 9, 2022
Proof of Concept Exploit for ManageEngine ServiceDesk Plus CVE-2021-44077
Proof of Concept Exploit for ManageEngine ServiceDesk Plus CVE-2021-44077

CVE-2021-44077 Proof of Concept Exploit for CVE-2021-44077: PreAuth RCE in ManageEngine ServiceDesk Plus 11306 Based on: https://xz.aliyun.com/t/106

Horizon 3 AI Inc 25 Nov 9, 2022
This is a proof-of-concept exploit for Grafana's Unauthorized Arbitrary File Read Vulnerability (CVE-2021-43798).
This is a proof-of-concept exploit for Grafana's Unauthorized Arbitrary File Read Vulnerability (CVE-2021-43798).

CVE-2021-43798 – Grafana Exploit About This is a proof-of-concept exploit for Grafana's Unauthorized Arbitrary File Read Vulnerability (CVE-2021-43798

Pedro Havay 12 Nov 18, 2022
A proof-of-concept exploit for Log4j RCE Unauthenticated (CVE-2021-44228)
A proof-of-concept exploit for Log4j RCE Unauthenticated (CVE-2021-44228)

CVE-2021-44228 – Log4j RCE Unauthenticated About This is a proof-of-concept exploit for Log4j RCE Unauthenticated (CVE-2021-44228). This vulnerability

Pedro Havay 20 Nov 11, 2022
A Proof-Of-Concept for the recently found CVE-2021-44228 vulnerability
A Proof-Of-Concept for the recently found CVE-2021-44228 vulnerability

log4j-shell-poc A Proof-Of-Concept for the recently found CVE-2021-44228 vulnerability. Recently there was a new vulnerability in log4j, a java loggin

koz 1.5k Jan 4, 2023
Log4Shell Proof of Concept (CVE-2021-44228)
Log4Shell Proof of Concept (CVE-2021-44228)

CVE-2021-44228 Log4Shell Proof of Concept (CVE-2021-44228) Make sure to use Java 8 JDK. Java 8 Download Images Credits Casey Dunham - Java Reverse She

Kr0ff 3 Jul 23, 2022
How to exploit a double free vulnerability in 2021. 'Use-After-Free for Dummies'
How to exploit a double free vulnerability in 2021. 'Use-After-Free for Dummies'

This bug doesn’t exist on x86: Exploiting an ARM-only race condition How to exploit a double free and get a shell. "Use-After-Free for dummies" In thi

Stephen Tong 1.2k Dec 25, 2022
CVE-2022-22536 - SAP memory pipes(MPI) desynchronization vulnerability CVE-2022-22536

CVE-2022-22536 SAP memory pipes desynchronization vulnerability(MPI) CVE-2022-22

antx 49 Nov 9, 2022
Cve-2022-23131 - Cve-2022-23131 zabbix-saml-bypass-exp
Cve-2022-23131 - Cve-2022-23131 zabbix-saml-bypass-exp

cve-2022-23131 cve-2022-23131 zabbix-saml-bypass-exp replace [zbx_signed_session

东方有鱼名为咸 135 Dec 14, 2022
Releases(1.1)
Owner
Podalirius
Hacker of everything
Podalirius
GitHub Repository https://podalirius.net/
Python program that generates secure passwords.

Python program that generates secure passwords. The user has the option to select the length of the password, amount of passwords,

4 Dec 07, 2021
集成crawlergo、xray、dirsearch、nmap等工具的src漏洞挖掘工具，使用docker封装运行；

tools下有几个工具，所以项目文件比较大，如果下载总是中断的话建议拆开下载各个项目然后直接拷贝dockefile和recon.py即可 0x01 hscan介绍 hscan是什么 hscan是一款旨在使用一条命令替代渗透前的多条扫描命令，通过集成crawlergo扫描和xray扫描、dirsear

102 Jan 04, 2023
Laravel RCE (CVE-2021-3129)

CVE-2021-3129 - Laravel RCE About The script has been made for exploiting the Laravel RCE (CVE-2021-3129) vulnerability. This script allows you to wri

Joshua van der Poll 21 Dec 27, 2022
Tools for converting Nintendo DS binaries to an ELF file for Ghidra/IDA

nds2elf Requirements nds2elf.py uses LIEF and template.elf to form a new binary. LIEF is available via pip: pip3 install lief Usage DSi and DSi-enhan

Max Thomas 17 Aug 14, 2022
Binary check tool to identify command injection and format string vulnerabilities in blackbox binaries

Binary check tool to identify command injection and format string vulnerabilities in blackbox binaries. Using xrefs to commonly injected and format string'd files, it will scan binaries faster than F

Christopher Roberts 3 Nov 16, 2021
Magicspoofing - A python3 script for search possible misconfiguration in a DNS related to security protections of email service from the domain name

A python3 script for search possible misconfiguration in a DNS related to security protections of email service from the domain name. This project is for educational use, we are not responsible for i

20 Dec 02, 2022
A web-app helping to create strong passwords that are easy to remember.

This is a simple Web-App that demonstrates a method of creating strong passwords that are still easy to remember. It also provides time estimates how long it would take an attacker to crack a passwor

2 Jun 04, 2021
Small python script to look for common vulnerabilities on SMTP server.

BrokenSMTP BrokenSMTP is a python3 BugBounty/Pentesting tool to look for common vulnerabilities on SMTP server. Supported Vulnerability : Spoofing - T

39 Dec 16, 2022
Chapter 1 of the AWS Cookbook

Chapter 1 - Security Set and export your default region: export AWS_REGION=us-east-1 Set your AWS ACCOUNT ID:: AWS_ACCOUNT_ID=$(aws sts get-caller-ide

AWS Cookbook 30 Nov 27, 2022
解密哥斯拉webshell管理工具流量

kingkong 解密哥斯拉Godzilla-V2.96 webshell管理工具流量 目前只支持jsp类型的webshell流量解密 Usage 获取攻击者上传到服务器的webshell样本 获取wireshark之类的流量包，一般甲方有科来之类的全流量镜像设备，联系运维人员获取，这里以test.

h4ck for fun 46 Dec 21, 2022
Chromepass - Hacking Chrome Saved Passwords

Chromepass - Hacking Chrome Saved Passwords and Cookies View Demo · Report Bug · Request Feature Table of Contents About the Project AV Detection Gett

darkArp 622 Jan 04, 2023
SSL / TLS Checking Tool written in Python3

ssts-chk SSL / TLS Checking Tool written in Python3. This tool will perform the following functions: Connect the target given Analyze the secure conne

Douglas Berdeaux 2 Feb 12, 2022
Agile Threat Modeling Toolkit

Threagile is an open-source toolkit for agile threat modeling:

Threagile 425 Jan 07, 2023
Apk Framework Detector

🚀🚀🚀Program helps you to detect the major framework or technology used in writing any android app. Just provide the apk 😇😇

Daniel Agyapong 10 Dec 07, 2022
This is a js front-end encryption blasting account and password tools

Author:0xAXSDD By Gamma安全实验室 version:1.0 explain:这是一款用户绕过前端js加密进行密码爆破的工具，你无需在意js加密的细节，只需要输入你想要爆破url，以及username输入框的classname，password输入框的clas

75 Nov 25, 2022
S2-062 (CVE-2021-31805) / S2-061 / S2-059 RCE

CVE-2021-31805 Remote code execution S2-062 (CVE-2021-31805) Due to Apache Struts2's incomplete fix for S2-061 (CVE-2020-17530), some tag attributes c

warin9 31 Nov 22, 2022
TLaunch: Launch Programs on Multiple Hosts

TLaunch: Launch Programs on Multiple Hosts Introduction Deepmind launchpad is a library that helps writing distributed program in a simple way. But cu

Tsinghua AI Research Team for Reinforcement Learning 11 Nov 11, 2022
Docker is an open platform for developing, shipping, and running applications OS-level virtualization to deliver software in packages called containers However, 'security' is a top request on Docker's public roadmap This project aims at vulnerability check for such docker containers. New contributions are accepted

Docker-Vulnerability-Check Docker is an open platform for developing, shipping, and running applications OS-level virtualization to deliver software i

Team Spark 103 Aug 20, 2022
CVE-2021-43798Exp多线程批量验证脚本

Grafana V8.*任意文件读取Exp--多线程批量验证脚本 漏洞描述 Grafana是一个开源的度量分析与可视化套件。经常被用作基础设施的时间序列数据和应用程序分析的可视化，它在其他领域也被广泛的使用包括工业传感器、家庭自动化、天气和过程控制等。其 8.*版本任意文件读取漏洞，该漏洞目前为0d

2 Dec 16, 2021
Orthrus is a macOS agent that uses Apple's MDM to backdoor a device using a malicious profile.

Orthrus is a macOS agent that uses Apple's MDM to backdoor a device using a malicious profile. It effectively runs its own MDM server and allows the operator to interface with it using Mythic.

Mythic Agents 37 Dec 06, 2022