CVE-2023-42820 PoC — Random seed leakage in Jumpserver

Source

https://github.com/Startr4ck/cve-2023-42820

Associated Vulnerability

Title:Random seed leakage in Jumpserver (CVE-2023-42820)
Description:JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local authentication are also not affected. Users are advised to upgrade to either version 2.28.19 or to 3.6.5. There are no known workarounds or this issue.

Description

JumpServer

Readme

# cve-2023-42820
JumpServer 
## 影响版本 
v2.24 - v3.6.4

## 造成危害
在知道jumpserver管理台的用户账户对应的邮箱的情况下（默认为 admin/admin@mycomany.com）
可通过漏洞重置管理台的管理员用户密码，并且配合jumpserver的 CVE-2023-42819 漏洞，最终可以getshell


## show 
![image](https://github.com/Startr4ck/cve-2023-42820/blob/main/%E8%AF%81%E6%98%8E.gif)  
![image](https://github.com/Startr4ck/cve-2023-42820/blob/main/proof.png)

File Snapshot


 [4.0K]  /data/pocs/9df17d57d257306638db1b4e4a1b44c8ce115bd0
├── [ 85K]  proof.png
├── [ 495]  README.md
└── [1.1M]  证明.gif

0 directories, 3 files

Shenlong Bot has cached this for you

Remarks

1. It is advised to access via the original source first.

2. Local POC snapshots are reserved for subscribers — if the original source is unavailable, the local mirror is part of the paid plan.

View subscription plans →

Goal Reached Thanks to every supporter — we hit 100%!