A vulnerability was found in Flarum Core 0.1.0-beta.7.1. It has been rated as problematic. This issue affects some unknown processing. The manipulation with an unknown input leads to a information disclosure vulnerability (Email). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

In Flarum Core 0.1.0-beta.7.1, a serious leak can get everyone's email address.

The bug was discovered 11/08/2018. The weakness was shared 11/09/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-19133 since 11/09/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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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• Flarum

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• Core

Version

• 0.1.0-beta.7.1

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CPE 2.2info

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