MyBB up to 1.8.10 SSRF Protection server-side request forgery

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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in MyBB up to 1.8.10 and classified as problematic. The affected element is an unknown function of the component SSRF Protection. The manipulation leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2017-7566. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in MyBB up to 1.8.10 (Content Management System) and classified as critical. This issue affects an unknown part of the component SSRF Protection. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism.

The bug was discovered 04/07/2017. The weakness was disclosed 04/06/2017 with SEC Consult Vulnerability Lab (Website). It is possible to read the advisory at blog.mybb.com. The identification of this vulnerability is CVE-2017-7566 since 04/06/2017. The attack may be initiated remotely. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.8.11 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97480†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Name

• MyBB

Version

• 1.8.0
• 1.8.1
• 1.8.2
• 1.8.3
• 1.8.4
• 1.8.5
• 1.8.6
• 1.8.7
• 1.8.8
• 1.8.9
• 1.8.10

License

• open-source

Website

• Product: https://mybb.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.7
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

Class: Server-side request forgery
CWE: CWE-918
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MyBB 1.8.11
Patch: github.com

Timelineinfo

04/04/2017 🔍
04/06/2017 +2 days 🔍
04/06/2017 +0 days 🔍
04/06/2017 +0 days 🔍
04/06/2017 +0 days 🔍
04/07/2017 +1 days 🔍
11/27/2022 +2060 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: f5de8fc2aad11e0d2583f585535ccfa2b46325db
Organization: SEC Consult Vulnerability Lab
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7566 (🔍)
GCVE (CVE): GCVE-0-2017-7566
GCVE (VulDB): GCVE-100-99347
SecurityFocus: 97480 - MyBB CVE-2017-7566 Server Side Request Forgery Security Bypass Vulnerability
OSVDB: - CVE-2017-7566 - MyBB - Server-Side Request Forgery Issue

Entryinfo

Created: 04/06/2017 23:34
Updated: 11/27/2022 09:10
Changes: 04/06/2017 23:34 (60), 08/26/2020 14:14 (6), 11/27/2022 09:10 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

Might our Artificial Intelligence support you?

Check our Alexa App!