D-Link DGL-5500/DHP-1565/DIR-652/DIR-835/DIR-855L 1.02b18 /tools_admin.asp cleartext storage

Summaryinfo

A vulnerability was found in D-Link DGL-5500, DHP-1565, DIR-652, DIR-835 and DIR-855L 1.02b18. It has been declared as problematic. Affected is an unknown function of the file /tools_admin.asp. Executing a manipulation can lead to cleartext storage. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability classified as problematic was found in D-Link DGL-5500, DHP-1565, DIR-652, DIR-835 and DIR-855L 1.02b18 (Router Operating System). This vulnerability affects some unknown processing of the file /tools_admin.asp. The manipulation with an unknown input leads to a cleartext storage vulnerability. The CWE definition for the vulnerability is CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. As an impact it is known to affect confidentiality.

The weakness was shared 05/22/2014 by Kyle Lovett as File 126779 as not defined advisory (Packetstorm). The advisory is available at packetstormsecurity.com. The vendor was not involved in the coordination of the public release. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1555 by the MITRE ATT&CK project. The advisory points out:

Authentication can be bypassed to gain access to the file tools_admin.asp, which stores the devices admin password in plain text, by adding a "/" to the end of the URL.

A public exploit has been developed by Kyle Lovett in HTTP GET Request and been published 4 days after the advisory. It is possible to download the exploit 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 32 days. During that time the estimated underground price was around $5k-$25k. By approaching the search of inurl:tools_admin.asp it is possible to find vulnerable targets with Google Hacking. The code used by the exploit is:

curl -s http://<IP>/tools_admin.asp/ |awk '/hidden/ &&
/admin_password_tmp/ && /value/ {print $5}'

curl -s http://<IP>/tools_admin.asp/ -u user:|awk '/hidden/ &&
/admin_password_tmp/ && /value/ {print $5}'

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 databases at X-Force (93614), Exploit-DB (33520), SecurityFocus (BID 67416†) and OSVDB (106807†). Additional details are provided at securityadvisories.dlink.com. The entries VDB-13473 and VDB-13475 are related to this item. 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

• DGL-5500
• DHP-1565
• DIR-652
• DIR-835
• DIR-855L

Version

• 1.02b18

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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