Netgear WNR1000V4 1.1.0.54 Web Management Interface setup.cgi sysDNSHost injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Netgear WNR1000V4 1.1.0.54. Affected by this vulnerability is an unknown functionality of the file setup.cgi of the component Web Management Interface. The manipulation of the argument sysDNSHost as part of Shell Metacharacter results in injection. This vulnerability is known as CVE-2019-20488. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Netgear WNR1000V4 1.1.0.54 (Wireless LAN Software). It has been classified as critical. Affected is some unknown functionality of the file setup.cgi of the component Web Management Interface. The manipulation of the argument sysDNSHost as part of a Shell Metacharacter leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered on NETGEAR WNR1000V4 1.1.0.54 devices. Multiple actions within the web management interface (setup.cgi) are vulnerable to command injection, allowing remote attackers to execute arbitrary commands, as demonstrated by shell metacharacters in the sysDNSHost parameter.

The weakness was published 03/02/2020. This vulnerability is traded as CVE-2019-20488. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/03/2020). This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

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

Similar entries are available at VDB-150811, VDB-150809 and VDB-150808. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Wireless LAN Software

Vendor

• Netgear

Name

• WNR1000V4

Version

• 1.1.0.54

License

• commercial

Website

• Vendor: https://www.netgear.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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