CVE-2020-9484 PoC — Apache Tomcat 代码问题漏洞

Source

https://github.com/qerogram/CVE-2020-9484

Associated Vulnerability

Title:Apache Tomcat 代码问题漏洞 (CVE-2020-9484)
Description:When using Apache Tomcat versions 10.0.0-M1 to 10.0.0-M4, 9.0.0.M1 to 9.0.34, 8.5.0 to 8.5.54 and 7.0.0 to 7.0.103 if a) an attacker is able to control the contents and name of a file on the server; and b) the server is configured to use the PersistenceManager with a FileStore; and c) the PersistenceManager is configured with sessionAttributeValueClassNameFilter="null" (the default unless a SecurityManager is used) or a sufficiently lax filter to allow the attacker provided object to be deserialized; and d) the attacker knows the relative file path from the storage location used by FileStore to the file the attacker has control over; then, using a specifically crafted request, the attacker will be able to trigger remote code execution via deserialization of the file under their control. Note that all of conditions a) to d) must be true for the attack to succeed.

Description

for Ubuntu 18.04, improve functions.

Readme

# CVE-2020-9484

## Reference
Authored by redtimmysec, masahiro331<br>
https://packetstormsecurity.com/files/157924/CVE-2020-9484.tgz
<br><br>


# [+] I just analyzed 1-day exploit. then remodeled.

<br><br>
## Description

Compared to the before PoC, it has the following advantages.

[+] Environment Script for Ubuntu 18.04.

[+] You can edit command to use to Remote Code Execution. 

[+] The cookie value has been set in advance in the PoC Code.


<br><br>
## Usage

```shell
# id : qerogram
# pw : 1234

$ cd /exploit

# Auto set the environment
$ sudo sh ./environ.sh

# Apply the PoC Source Code
$ sudo python3 ./exploit.py <cmd>

# Go to the Web -> result : Remote Code Execution!
```


<br><br>
## Install Link(VMWare Image - Ubuntu 18.04)

https://drive.google.com/file/d/16MGyX9FiJjl1couxJddFpaPzxWyzIAuN/view?usp=sharing

File Snapshot


 [4.0K]  /data/pocs/e692d2a408478d38b2259395d459efea1d8130fb
├── [1.4K]  context.xml
├── [ 790]  environ.sh
├── [4.5K]  exploit.py
├── [4.3M]  groovy-2.3.9.jar
├── [ 312]  index.jsp
├── [1.2M]  POC.mov
└── [ 833]  README.md

0 directories, 7 files

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