Merlin.PHP 0.6.6 on AsusWRT-Merlin api.php?function=command&class=remote&Cc='ls' code injection ⚔ [Disputed]

Summaryinfo

A vulnerability, which was classified as critical, was found in Merlin.PHP 0.6.6 on AsusWRT-Merlin. This issue affects some unknown processing of the file /6/api.php?function=command&class=remote&Cc='ls'. The manipulation results in input validation. This vulnerability is identified as CVE-2018-18319. The attack can be executed remotely. There is not any exploit available. The existence of this vulnerability is still disputed at present.

Detailsinfo

A vulnerability classified as critical has been found in Merlin.PHP 0.6.6 on AsusWRT-Merlin (Programming Language Software). Affected is some unknown functionality of the file /6/api.php?function=command&class=remote&Cc='ls'. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

** DISPUTED ** An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because api.php has an eval call, as demonstrated by the /6/api.php?function=command&class=remote&Cc='ls' URI. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution.

The weakness was released 10/15/2018 (Website). The advisory is shared for download at blog.51cto.com. This vulnerability is traded as CVE-2018-18319 since 10/15/2018. 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 MITRE ATT&CK project declares the attack technique as T1059.

The real existence of this vulnerability is still doubted at the moment.

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

Entry connected to this vulnerability is available at VDB-125317. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Programming Language Software

Name

• Merlin.PHP

Version

• 0.6.6

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Once again VulDB remains the best source for vulnerability data.

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