D-Link DIR-620 up to 2.0.22 Custom Firmware Search Reflected cross site scripting

Summaryinfo

A vulnerability labeled as problematic has been found in D-Link DIR-620 up to 2.0.22. This vulnerability affects unknown code of the component Custom Firmware. Such manipulation of the argument Search as part of Special Char leads to cross site scripting (Reflected). This vulnerability is listed as CVE-2018-6212. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in D-Link DIR-620 up to 2.0.22 (Router Operating System). Affected by this issue is an unknown part of the component Custom Firmware. The manipulation of the argument Search as part of a Special Char leads to a cross site scripting vulnerability (Reflected). Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

On D-Link DIR-620 devices with a certain customized (by ISP) variant of firmware 1.0.3, 1.0.37, 1.3.1, 1.3.3, 1.3.7, 1.4.0, and 2.0.22, a reflected Cross-Site Scripting (XSS) attack is possible as a result of missed filtration for special characters in the "Search" field and incorrect processing of the XMLHttpRequest object.

The bug was discovered 01/15/2018. The weakness was presented 06/20/2018 (Website). The advisory is available at securitynewspaper.com. This vulnerability is handled as CVE-2018-6212 since 01/24/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/20/2020). This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 156 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.

See VDB-119737 and VDB-119739 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-620

Version

• 1.0.3
• 1.0.37
• 1.3.1
• 1.3.3
• 1.3.7
• 1.4.0
• 2.0.22

License

• commercial

Website

• Vendor: https://www.dlink.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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