ProGrade/Lierda Grill Temperature 1.00_50006 Hardcoded Credentials

2019.08.27
Credit: Tim Tepatti
Risk: Low
Local: No
Remote: Yes
CWE: CWE-255


CVSS Base Score: 6.4/10
Impact Subscore: 4.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: Partial

[Author:] Tim Tepatti [Website:] tepatti.com [Title:] Hard-coded credentials on ProGrade/Lierda Grill Temperature Monitor [CVE-2019-15304] [Product:] Grill Temperature Monitor [Manufacturer:] ProGrade / Lierda [Affected Version(s):] V1.00_50006 [Tested Version(s):] V1.00_50006 [Vulnerability Type:] Use of hard-coded credentials (CWE ID 798) [CVE Reference:] CVE-2019-15304 [TL;DR:] ProGrade/Lierda Grill Temperature Monitor V1.00_50006 has a default password of admin for the admin account, which allows an attacker to cause a Denial of Service or Information Disclosure via the undocumented access-point configuration page located on the device. [Long Info:] ProGrade/Lierda Grill Temperature Monitor V1.00_50006 has a default password of admin for the admin account, which allows an attacker to cause a Denial of Service or Information Disclosure via the undocumented access-point configuration page located on the device. The access point configuration page is never made known to the end user - the user is never supposed to access it or change any of the options, and as such, the end user has no idea that an attacker could access this page. This is different than a normal access point or internet router where the administration page is required for setup and configuration, and the end user is made aware of the risk of default credentials. This makes the vulnerability more severe because the attack vector is something which the end user wasn't aware even operated on their device. Additionally, there were two vendors provided because Lierda is a wholesaler who actually created the device, and ProGrade simply re-branded the device for the American market. This way, both customers will be aware of the security vulnerabilities in the product. [Technical Info:] [Default Web Server IP:] 11.11.11.254 [Default Web Server Port:] 80 [Reference(s):] http://progradegrill.com/wifi-grilling-thermometer/


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