# CVE-2023-0046

## Vulnerability Explanation

This vulnerability occur because there is no filename **restriction** or **validation** during file **logging** saving process. In this case attacker can set the filename to existing **php** file and append **php code** on it by manipulating the logged input.

## Vulnerability Type

* Code Injection

## CVSS <a href="#user-content-attack-vector" id="user-content-attack-vector"></a>

* [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H](https://nvd.nist.gov/vuln/detail/CVE-2023-0046) (High)&#x20;

## Vendor <a href="#user-content-vendor-of-product" id="user-content-vendor-of-product"></a>

* [daloRADIUS](https://www.daloradius.com/)

## Affected Version <a href="#user-content-affected-version" id="user-content-affected-version"></a>

* daloRADIUS **<= 1.3**

## Proof of Concept <a href="#user-content-steps-to-reproduce" id="user-content-steps-to-reproduce"></a>

1. Log in using operator account, in this case i try to login using **operator1** user which is account that i created with **ACL** Settings only **rep\_online** enabled
2.

```
<figure><img src="/files/LIyjlKNm83nIMZMNB4MJ" alt=""><figcaption></figcaption></figure>
```

3. Go to config and click on logging settings. Modify filename to any php file that accessible , e.g **update.php** then enabled **`Logging of Queries`**`.`
4.

```
<figure><img src="/files/xeGfeJOCLkf4e8sKPTfY" alt=""><figcaption></figcaption></figure>
```

5. Go to **rep\_online** feature and fill the `username` with **php code**, e.g `phpinfo()`
6.

```
<figure><img src="/files/5TbJpd1ptQ4y22ZtS0Wd" alt=""><figcaption></figcaption></figure>
```

7. Go to **update.php** and you will see that `phpinfo()` successfully injected
8.

```
<figure><img src="/files/NLRKo3tdBJIXWerhB6U5" alt=""><figcaption></figcaption></figure>
```

## Exploit Code <a href="#user-content-exploit-code" id="user-content-exploit-code"></a>

```python
# TBU
```

## Tested On <a href="#user-content-tested-on" id="user-content-tested-on"></a>

* daloRADIUS version: **1.3**

## Disclosure Timeline <a href="#user-content-disclosure-timeline" id="user-content-disclosure-timeline"></a>

* **2023-01-03:** Vulnerability discovered.
* **2023-01-04:** Vulnerability fixed.
* **2023-01-04:** Vulnerability reported to the MITRE corporation.
* **2023-01-04:** CVE has been assigned.
* **2023-01-04:** Public disclosure of the vulnerability.

## Researcher <a href="#user-content-discoverer" id="user-content-discoverer"></a>

* Achmad Zaenuri Dahlan Putra ([kos0ng](https://github.com/kos0ng))

## Additional Information <a href="#user-content-reference" id="user-content-reference"></a>

* <https://huntr.com/bounties/2214dc41-f283-4342-95b1-34a2f4fea943/>
* <https://github.com/lirantal/daloradius/commit/2013c2d1231e99dac918247b69b198ded1f30a1c>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://kos0ng.gitbook.io/notes/research/2023/cve-2023-0046.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.