A vulnerability was found in D-Link DIR-816 A2 1.10 B05 (Router Operating System). It has been classified as critical. Affected is the function handler of the file /goform/NTPSyncWithHost. The manipulation as part of a Shell Metacharacter leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command 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 D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/NTPSyncWithHost route. This could lead to command injection via shell metacharacters.

The bug was discovered 09/16/2018. The weakness was published 09/15/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-17063 since 09/15/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/24/2020). The MITRE ATT&CK project declares the attack technique as T1202.

It is possible to mitigate the weakness by firewalling .

Similar entries are available at 124084, 124083, 124082 and 124081.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-816 A2

Version

• 1.10 B05

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion