MyBB 1.8.6 Password Reset cleartext storage

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 has been found in MyBB 1.8.6 and classified as problematic. This affects an unknown part of the component Password Reset. Performing a manipulation results in cleartext storage. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in MyBB 1.8.6 (Content Management System). This affects an unknown part of the component Password Reset. The manipulation with an unknown input leads to a cleartext storage vulnerability. CWE is classifying the issue as CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. This is going to have an impact on confidentiality.

The weakness was released 09/15/2016 with Curesec Research Team as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/21/2019). The attack technique deployed by this issue is T1555 according to MITRE ATT&CK.

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.

Further details are available at curesec.com. Entries connected to this vulnerability are available at VDB-91729 and VDB-91730. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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

Class: Cleartext storage
CWE: CWE-312 / 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-100-91731
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/21/2016 11:47
Updated: 04/21/2019 10:14
Changes: 09/21/2016 11:47 (42), 04/21/2019 10:14 (2)
Complete: 🔍
Cache ID: 216::103

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