MyBB 1.8.15 Admin Panel access control

Summaryinfo

A vulnerability identified as critical has been detected in MyBB 1.8.15. This affects an unknown function of the component Admin Panel. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2018-1000502. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in MyBB 1.8.15 (Content Management System). This affects some unknown functionality of the component Admin Panel. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

MyBB Group MyBB contains a File Inclusion vulnerability in Admin panel (Tools and Maintenance -> Task Manager -> Add New Task) that can result in Allows Local File Inclusion on modern PHP versions and Remote File Inclusion on ancient PHP versions. This attack appear to be exploitable via Must have access to admin panel. This vulnerability appears to have been fixed in 1.8.15.

The bug was discovered 03/15/2018. The weakness was shared 06/26/2018 (Website). It is possible to read the advisory at batterystapl.es. This vulnerability is uniquely identified as CVE-2018-1000502 since 06/22/2018. It is possible to initiate the attack remotely. A authentication is required 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 02/22/2020). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 103 days. During that time the estimated underground price was around $5k-$25k.

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

The entry VDB-119920 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• MyBB

Version

• 1.8.15

License

• open-source

Website

• Product: https://mybb.com/

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• 🔍

CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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