MyBB 1.8.6 Password Storage MD5 missing encryption

HistoryDiffrelatejsonxmlCTI

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.
3.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in MyBB 1.8.6. Affected by this issue is some unknown functionality of the component Password Storage. Such manipulation leads to missing encryption (MD5). No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in MyBB 1.8.6 (Content Management System). Affected by this issue is some unknown functionality of the component Password Storage. The manipulation with an unknown input leads to a missing encryption vulnerability (MD5). Using CWE to declare the problem leads to CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. Impacted is confidentiality.

The weakness was published 09/15/2016 with Curesec Research Team as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600 by the MITRE ATT&CK project. The following code is the reason for this vulnerability:

$hash = md5(md5($salt).md5($password));

The vulnerability was handled as a non-public zero-day exploit for at least 230 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.

curesec.com is providing further details. Similar entries are available at VDB-91729 and VDB-91731. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Content Management System

Name

MyBB

Version

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: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Name: MD5
Class: Missing encryption / MD5
CWE: CWE-311 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/29/2016 🔍
02/26/2016 +28 days 🔍
09/15/2016 +202 days 🔍
09/21/2016 +6 days 🔍
04/21/2019 +942 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: seclists.org
Organization: Curesec Research Team
Status: Not defined

GCVE (VulDB): GCVE-100-91730
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/21/2016 11:47
Updated: 04/21/2019 10:29
Changes: 09/21/2016 11:47 (44), 04/21/2019 10:29 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.