D-Link DIR-823G 1.02B03 HNAP API /bin/goahead SetFactoryDefault access control

Summaryinfo

A vulnerability identified as problematic has been detected in D-Link DIR-823G 1.02B03. This affects the function SetFactoryDefault of the file /bin/goahead of the component HNAP API. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2019-7389. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in D-Link DIR-823G 1.02B03 (Router Operating System). It has been rated as problematic. This issue affects the function SetFactoryDefault of the file /bin/goahead of the component HNAP API. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is availability. The summary by CVE is:

An issue was discovered in /bin/goahead on D-Link DIR-823G devices with the firmware 1.02B03. There is incorrect access control allowing remote attackers to reset the router without authentication via the SetFactoryDefault HNAP API. Consequently, an attacker can achieve a denial-of-service attack without authentication.

The bug was discovered 02/01/2019. The weakness was disclosed 02/05/2019 (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2019-7389 since 02/04/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/06/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k.

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

The entries VDB-130518 and VDB-130516 are pretty similar. 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-823G

Version

• 1.02B03

License

• commercial

Website

• Vendor: https://www.dlink.com/

CPE 2.3info

• 🔍

CPE 2.2info

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Entryinfo

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

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