Netgear DGN2200 up to 10.0.0.50 dnslookup.cgi access control

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Netgear DGN2200 up to 10.0.0.50. Affected is an unknown function of the file dnslookup.cgi. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2017-6334. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Netgear DGN2200 up to 10.0.0.50 (Wireless LAN Software) and classified as critical. This issue affects some unknown functionality of the file dnslookup.cgi. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

dnslookup.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in the host_name field of an HTTP POST request, a different vulnerability than CVE-2017-6077.

The bug was discovered 02/19/2017. The weakness was disclosed 03/06/2017 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-6334 since 02/26/2017. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed in Python. The exploit is available at securityfocus.com. It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13168 (NETGEAR DGN2200v1-'Multiple Vulnerabilities). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/25/2022 with a due date of 04/15/2022:

The impacted product is end-of-life and should be disconnected if still in use.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Attack attempts may be identified with Snort ID 41748.

The vulnerability is also documented in the databases at Exploit-DB (41459) and SecurityFocus (BID 96463†). The entry VDB-97218 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Programming Language: 🔍
Download: 🔍

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KEV Added: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 100943
OpenVAS Name: NETGEAR DGN2200 CVE-2017-6334 Remote Code Execution Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: netgear_dnslookup_cmd_exec.rb
MetaSploit Name: Netgear DGN2200 dnslookup.cgi Command Injection
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Snort ID: 41748
Snort Message: SERVER-WEBAPP Netgear DGN2200 dnslookup.cgi command injection attempt
Snort Class: 🔍

Timelineinfo

02/19/2017 🔍
02/26/2017 +7 days 🔍
02/26/2017 +0 days 🔍
03/05/2017 +7 days 🔍
03/06/2017 +1 days 🔍
03/06/2017 +0 days 🔍
02/05/2025 +2893 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: securityfocus.com⛔
Status: Confirmed

CVE: CVE-2017-6334 (🔍)
GCVE (CVE): GCVE-0-2017-6334
GCVE (VulDB): GCVE-100-97547
SecurityFocus: 96463 - NETGEAR DGN2200 CVE-2017-6334 Remote Code Execution Vulnerability
OSVDB: - CVE-2017-6334 - NETGEAR - DGN2200 - Command Execution Issue

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

Entryinfo

Created: 03/06/2017 11:26
Updated: 02/05/2025 01:01
Changes: 03/06/2017 11:26 (74), 09/04/2020 09:29 (7), 04/24/2024 11:08 (24), 07/17/2024 01:10 (1), 09/09/2024 22:29 (1), 02/05/2025 01:01 (11)
Complete: 🔍
Cache ID: 216:5B2:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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