MyBB/MyBB Merge System up to 1.8.6 Admin Control Panel Path information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in MyBB and MyBB Merge System up to 1.8.6. The impacted element is an unknown function of the component Admin Control Panel. Such manipulation leads to information disclosure (Path). This vulnerability is documented as CVE-2016-9411. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MyBB and MyBB Merge System up to 1.8.6 (Content Management System). Affected by this issue is an unknown functionality of the component Admin Control Panel. The manipulation with an unknown input leads to a information disclosure vulnerability (Path). 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. CVE summarizes:

The Admin control panel in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to obtain the installation path via vectors involving sending mails.

The bug was discovered 01/31/2017. The weakness was released 01/31/2017 by Tim Coen (Paul) (Website). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2016-9411 since 11/17/2016. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 1.8.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94395†). Entries connected to this vulnerability are available at VDB-96323, VDB-96324, VDB-96325 and VDB-96326. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• MyBB
• MyBB Merge System

Version

• 1.8.0
• 1.8.1
• 1.8.2
• 1.8.3
• 1.8.4
• 1.8.5
• 1.8.6

License

• open-source

Website

• Product: https://mybb.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Path
Class: Information disclosure / Path
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 100768
OpenVAS Name: MyBB Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MyBB/MyBB Merge System 1.8.7

Timelineinfo

03/11/2016 🔍
11/17/2016 +251 days 🔍
01/31/2017 +75 days 🔍
01/31/2017 +0 days 🔍
01/31/2017 +0 days 🔍
02/01/2017 +1 days 🔍
08/08/2020 +1284 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: openwall.com
Researcher: Tim Coen (Paul)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9411 (🔍)
GCVE (CVE): GCVE-0-2016-9411
GCVE (VulDB): GCVE-100-96356
SecurityFocus: 94395 - MyBB Prior to 1.8.7 Multiple Security Vulnerabilities
OSVDB: - CVE-2016-9411 - MyBB - Multiple Products - Information Disclosure Issue

See also: 🔍

Entryinfo

Created: 02/01/2017 07:16
Updated: 08/08/2020 17:23
Changes: 02/01/2017 07:16 (65), 08/08/2020 17:23 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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