D-Link DSL-GS225 J1 AU_1.0.4 CLI Shell Metacharacter os command injection

Summaryinfo

A vulnerability has been found in D-Link DSL-GS225 J1 AU_1.0.4 and classified as critical. This affects an unknown function of the component CLI. Performing a manipulation as part of Shell Metacharacter results in os command injection. This vulnerability is identified as CVE-2020-6765. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in D-Link DSL-GS225 J1 AU_1.0.4. It has been classified as critical. This affects an unknown part of the component CLI. The manipulation as part of a Shell Metacharacter leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

D-Link DSL-GS225 J1 AU_1.0.4 devices allow an admin to execute OS commands by placing shell metacharacters after a supported CLI command, as demonstrated by ping -c1 127.0.0.1; cat/etc/passwd. The CLI is reachable by TELNET.

The weakness was released 04/10/2020 (Website). It is possible to read the advisory at supportannouncement.us.dlink.com. This vulnerability is uniquely identified as CVE-2020-6765 since 01/10/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/12/2020). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• D-Link

Name

• DSL-GS225 J1

Version

• AU_1.0.4

License

• commercial

Website

• Vendor: https://www.dlink.com/

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