CVE-2018-17153
Western Digital My Cloud Unauthenticated Admin Session Bypass
Description
It was discovered that the Western Digital My Cloud device before 2.30.196 is affected by an authentication bypass vulnerability. An unauthenticated attacker can exploit this vulnerability to authenticate as an admin user without needing to provide a password, thereby gaining full control of the device. (Whenever an admin logs into My Cloud, a server-side session is created that is bound to the user's IP address. After the session is created, it is possible to call authenticated CGI modules by sending the cookie username=admin in the HTTP request. The invoked CGI will check if a valid session is present and bound to the user's IP address.) It was found that it is possible for an unauthenticated attacker to create a valid session without a login. The network_mgr.cgi CGI module contains a command called "cgi_get_ipv6" that starts an admin session -- tied to the IP address of the user making the request -- if the additional parameter "flag" with the value "1" is provided. Subsequent invocation of commands that would normally require admin privileges now succeed if an attacker sets the username=admin cookie.
INFO
Published Date :
Sept. 18, 2018, 3:29 p.m.
Last Modified :
July 28, 2023, 4:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2018-17153
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-17153.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/173802/Western-Digital-MyCloud-Unauthenticated-Command-Injection.html | |
| http://www.securityfocus.com/bid/105359 | Third Party Advisory VDB Entry |
| https://securify.nl/nl/advisory/SFY20180102/authentication-bypass-vulnerability-in-western-digital-my-cloud-allows-escalation-to-admin-privileges.html | Exploit Third Party Advisory |
| https://support.wdc.com/knowledgebase/answer.aspx?ID=25952 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-17153 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-17153 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 28, 2023
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/173802/Western-Digital-MyCloud-Unauthenticated-Command-Injection.html [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 18, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://securify.nl/nl/advisory/SFY20180102/authentication-bypass-vulnerability-in-western-digital-my-cloud-allows-escalation-to-admin-privileges.html No Types Assigned https://securify.nl/nl/advisory/SFY20180102/authentication-bypass-vulnerability-in-western-digital-my-cloud-allows-escalation-to-admin-privileges.html Exploit, Third Party Advisory Changed Reference Type https://support.wdc.com/knowledgebase/answer.aspx?ID=25952 No Types Assigned https://support.wdc.com/knowledgebase/answer.aspx?ID=25952 Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/105359 No Types Assigned http://www.securityfocus.com/bid/105359 Third Party Advisory, VDB Entry Added CWE CWE-287 Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_wdbctl0020hwt_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_wdbctl0020hwt:*:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_pr4100:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_pr4100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_pr2100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_mirror_gen_2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_mirror_gen_2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_mirror_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_mirror:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_ex4100:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_ex4100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_ex4_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_ex4:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_ex2100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_ex2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_ex2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_dl4100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:western_digital:my_cloud_dl2100:*:*:*:*:*:*:*:* versions up to (excluding) 2.30.196 OR cpe:2.3:h:western_digital:my_cloud_dl2100:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 22, 2018
Action Type Old Value New Value Changed Description It was discovered that the Western Digital My Cloud device through 2.30.x is affected by an authentication bypass vulnerability. An unauthenticated attacker can exploit this vulnerability to authenticate as an admin user without needing to provide a password, thereby gaining full control of the device. (Whenever an admin logs into My Cloud, a server-side session is created that is bound to the user's IP address. After the session is created, it is possible to call authenticated CGI modules by sending the cookie username=admin in the HTTP request. The invoked CGI will check if a valid session is present and bound to the user's IP address.) It was found that it is possible for an unauthenticated attacker to create a valid session without a login. The network_mgr.cgi CGI module contains a command called "cgi_get_ipv6" that starts an admin session -- tied to the IP address of the user making the request -- if the additional parameter "flag" with the value "1" is provided. Subsequent invocation of commands that would normally require admin privileges now succeed if an attacker sets the username=admin cookie. It was discovered that the Western Digital My Cloud device before 2.30.196 is affected by an authentication bypass vulnerability. An unauthenticated attacker can exploit this vulnerability to authenticate as an admin user without needing to provide a password, thereby gaining full control of the device. (Whenever an admin logs into My Cloud, a server-side session is created that is bound to the user's IP address. After the session is created, it is possible to call authenticated CGI modules by sending the cookie username=admin in the HTTP request. The invoked CGI will check if a valid session is present and bound to the user's IP address.) It was found that it is possible for an unauthenticated attacker to create a valid session without a login. The network_mgr.cgi CGI module contains a command called "cgi_get_ipv6" that starts an admin session -- tied to the IP address of the user making the request -- if the additional parameter "flag" with the value "1" is provided. Subsequent invocation of commands that would normally require admin privileges now succeed if an attacker sets the username=admin cookie. Added Reference https://support.wdc.com/knowledgebase/answer.aspx?ID=25952 [No Types Assigned] -
CVE Modified by [email protected]
Sep. 20, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/105359 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-17153 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-17153
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
46.54 }} -7.70%
score
0.97510
percentile