A vulnerability has been found in netbeans-mmd-plugin up to 1.4.3 and classified as critical. This vulnerability affects an unknown code of the component MMD File Import. The manipulation as part of a Request leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

netbeans-mmd-plugin version <= 1.4.3 contains a XML External Entity (XXE) vulnerability in MMD file import that can result in Possible information disclosure, server-side request forgery, or remote code execution. This attack appear to be exploitable via Specially crafted MMD file.

The bug was discovered 05/29/2018. The weakness was released 06/26/2018 (Website). The advisory is shared for download at 0dd.zone. This vulnerability was named CVE-2018-1000542 since 06/22/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k.

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

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• netbeans-mmd-plugin

Version

• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3

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CPE 2.2info

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