一、 漏洞 CVE-2011-2523 基础信息
漏洞信息
                                        # N/A

## 漏洞概述
vsftpd 2.3.4版本在2011年6月30日至7月3日之间下载的版本中包含一个后门，该后门会在6200/tcp端口上打开一个shell。

## 影响版本
- vsftpd 2.3.4

## 漏洞细节
在指定日期下载的vsftpd 2.3.4版本中包含一个后门。攻击者可以通过连接到6200/tcp端口来获取一个shell。

## 漏洞影响
此漏洞允许攻击者通过6200/tcp端口获取shell访问权限，可能导致未经授权的系统访问和控制。
神龙判断

是否为 Web 类漏洞： 未知

判断理由：

N/A
提示
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漏洞标题
N/A
来源：美国国家漏洞数据库 NVD
漏洞描述信息
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
来源：美国国家漏洞数据库 NVD
CVSS信息
N/A
来源：美国国家漏洞数据库 NVD
漏洞类别
N/A
来源：美国国家漏洞数据库 NVD
漏洞标题
vsftpd 操作系统命令注入漏洞
来源：中国国家信息安全漏洞库 CNNVD
漏洞描述信息
vsftpd是一款用于类Unix系统的FTP（文件传输协议）服务器。 vsftpd 2.3.4版本（2011年6月30日至2011年7月3日期间下载）中存在安全漏洞，该漏洞源于软件中存在可以打开shell的后门。攻击者可利用该漏洞执行命令。
来源：中国国家信息安全漏洞库 CNNVD
CVSS信息
N/A
来源：中国国家信息安全漏洞库 CNNVD
漏洞类别
授权问题
来源：中国国家信息安全漏洞库 CNNVD
二、漏洞 CVE-2011-2523 的公开POC
# POC 描述 源链接 神龙链接
1 An exploit to get root in vsftpd 2.3.4 (CVE-2011-2523) written in python https://github.com/HerculesRD/vsftpd2.3.4PyExploit POC详情
2 vsftpd 2.3.4 Backdoor Exploit https://github.com/nobodyatall648/CVE-2011-2523 POC详情
3 https://www.exploit-db.com/exploits/49757 https://github.com/Gr4ykt/CVE-2011-2523 POC详情
4 Python exploit for vsftpd 2.3.4 - Backdoor Command Execution https://github.com/padsalatushal/CVE-2011-2523 POC详情
5 FreePascal implementation of the vsFTPD 2.3.4 CVE-2011-2523 https://github.com/MFernstrom/OffensivePascal-CVE-2011-2523 POC详情
6 Python exploit for CVE-2011-2523 (VSFTPD 2.3.4 Backdoor Command Execution) https://github.com/0xSojalSec/-CVE-2011-2523 POC详情
7 Python exploit for CVE-2011-2523 (VSFTPD 2.3.4 Backdoor Command Execution) https://github.com/0xSojalSec/CVE-2011-2523 POC详情
8 None https://github.com/XiangSi-Howard/CTF---CVE-2011-2523 POC详情
9 CVE-2011-2523 exploit https://github.com/0xFTW/CVE-2011-2523 POC详情
10 Python exploit for vsftpd 2.3.4 - Backdoor Command Execution https://github.com/Lynk4/CVE-2011-2523 POC详情
11 Python exploit for vsftpd 2.3.4 - Backdoor Command Execution https://github.com/vaishnavucv/CVE-2011-2523 POC详情
12 A tool that exploits the CVE-2011-2523 vulnerability. https://github.com/chleba124/vsftpd-exploit POC详情
13 Python exploit for CVE-2011-2523 (VSFTPD 2.3.4 Backdoor Command Execution) https://github.com/4m3rr0r/CVE-2011-2523-poc POC详情
14 CVE-2011-2523 exploit https://github.com/cowsecurity/CVE-2011-2523 POC详情
15 None https://github.com/Shubham-2k1/Exploit-CVE-2011-2523 POC详情
16 A basic script that exploits CVE-2011-2523 https://github.com/Tenor-Z/SmileySploit POC详情
17 vsFTPd 2.3.4 Remote Code Execution (CVE-2011-2523) PoC https://github.com/sug4r-wr41th/CVE-2011-2523 POC详情
18 POC para CVE-2011-2523 https://github.com/Fatalitysec/vsftpd_2.3.4_Backdoor POC详情
19 A Simple Python Program that uses gets a Remote Root Shell on the Target Device by exploiting a Vulnerability (CVE-2011-2523) present in vsFTP 2.3.4 https://github.com/Gill-Singh-A/vsFTP-2.3.4-Remote-Root-Shell-Exploit POC详情
20 This tool exploits a well-known backdoor vulnerability found in vsFTPd version 2.3.4 (CVE-2011-2523) https://github.com/everythingBlackkk/vsFTPd-Backdoor-Exploit-CVE-2011-2523- POC详情
21 PoC CVE-2011-2523 https://github.com/Uno13x/CVE-2011-2523-PoC POC详情
22 PoC CVE-2011-2523 https://github.com/R4idB0Y/CVE-2011-2523-PoC POC详情
23 PoC CVE-2011-2523 https://github.com/0xB0y426/CVE-2011-2523-PoC POC详情
24 VsFTPd 2.3.4 Backdoor Command Execution https://github.com/NullBrunk/CVE-2011-2523 POC详情
25 CVE-2011-2523 vsftpd 2.3.4 exploit https://github.com/Lychi3/vsftpd-backdoor POC详情
26 Vulnerability assessment and exploitation of vsftpd 2.3.4 (CVE-2011-2523) using Metasploit. Full report and proof of root access included. https://github.com/vedpakhare/vsftpd-234-vuln-report POC详情
27 None https://github.com/madanokr001/CVE-2011-2523 POC详情
28 VSFTPD v2.3.4 had a serious backdoor vulnerability allowing attackers to execute arbitrary commands on the server with root-level access. The backdoor was triggered by a specific string of characters in a user login request, which allowed attackers to execute any command they wanted. https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2011/CVE-2011-2523.yaml POC详情
29 Laboratorio técnico de ciberseguridad donde se realiza reconocimiento de red con Nmap y explotación de la vulnerabilidad CVE-2011-2523 (vsftpd 2.3.4) mediante Metasploit Framework. Proyecto académico orientado a demostrar habilidades en análisis de vulnerabilidades, uso de herramientas de pentesting y reporte técnico. https://github.com/JohanMV/explotacion-vsftpd-nmap_Laboratorio_1 POC详情
30 Exploit for CVE-2011-2523. https://github.com/lghost256/vsftpd234-exploit POC详情
31 None https://github.com/hklabCR/CVE-2011-2523 POC详情
32 Python exploit for vsftpd 2.3.4 - Backdoor Command Execution https://github.com/krill-x7/CVE-2011-2523 POC详情
33 None https://github.com/cybermads/CVE-2011-2523 POC详情
34 A classic Exploit updated for vsftpd backdoor 2.3.4 https://github.com/As9xm/BrokenDoor-CVE-2011-2523- POC详情
35 Python exploit for vsftpd 2.3.4 - Backdoor Command Execution https://github.com/BolivarJ/CVE-2011-2523 POC详情
36 A step-by-step walkthrough of exploiting the vsFTPd 2.3.4 backdoor vulnerability (CVE-2011-2523) in a controlled lab environment, demonstrating reconnaissance, exploitation with Metasploit, and establishing a reverse shell. https://github.com/seerat-fatima21/vsftpd-exploit POC详情
37 his project demonstrates the exploitation of the vsFTPd 2.3.4 backdoor vulnerability (CVE-2011-2523) using Metasploitable 2 and Kali Linux with Metasploit. It includes reconnaissance, exploitation, and defensive measures, with a detailed report and lab setup for learning ethical hacking and security best practices. https://github.com/hajisthabegum/Exploiting-vsFTPd-2.3.4-Backdoor-Vulnerability-Ethical-Hacking-Lab-with-Metasploitable-2-Metasploit POC详情
三、漏洞 CVE-2011-2523 的情报信息
四、漏洞 CVE-2011-2523 的评论

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