Simplemachines SMF up to 2.0-beta3 Random Number Generator credentials management

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.
6.6$0-$5k0.00

A vulnerability classified as critical has been found in Simplemachines SMF up to 2.0-beta3. Affected is an unknown code of the component Random Number Generator. The manipulation with an unknown input leads to a credentials management vulnerability. CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The password reset functionality in Simple Machines Forum (SMF) 1.0.x before 1.0.14, 1.1.x before 1.1.6, and 2.0 before 2.0 beta 4 includes clues about the random number generator state within a hidden form field and generates predictable validation codes, which allows remote attackers to modify passwords of other users and gain privileges.

The bug was discovered 09/06/2008. The weakness was published 09/06/2008 (Website). The advisory is available at simplemachines.org. This vulnerability is traded as CVE-2008-6971 since 08/13/2009. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

After immediately, there has been an exploit disclosed. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 34209 (Simple Machines Forum Validation Code Prediction Arbitrary Password Reset), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading to version 2.0-beta3 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (34209) and Exploit-DB (6392).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
ATT&CK: T1552

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 34209
Nessus Name: Simple Machines Forum Validation Code Prediction Arbitrary Password Reset
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900118
OpenVAS Name: Simple Machines Forum Password Reset Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: SMF 2.0-beta3

Timelineinfo

09/06/2008 🔍
09/06/2008 +0 days 🔍
09/06/2008 +0 days 🔍
09/06/2008 +0 days 🔍
09/06/2008 +0 days 🔍
09/08/2008 +2 days 🔍
09/15/2008 +6 days 🔍
09/22/2008 +7 days 🔍
08/13/2009 +325 days 🔍
08/13/2009 +0 days 🔍
03/18/2015 +2043 days 🔍
08/14/2021 +2341 days 🔍

Sourcesinfo

Advisory: simplemachines.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-6971 (🔍)
X-Force: 44931
Vulnerability Center: 19523 - Simple Machines Forum Vulnerability Allows Remote Attackers to Bypass Security Restrictions, High
SecurityFocus: 31053 - Simple Machines Forum Security Bypass Vulnerability
Secunia: 31750
OSVDB: 47945 - Simple Machines Forum (SMF) Validation Code Prediction Arbitrary Password Reset

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/14/2021 03:30
Changes: 03/18/2015 15:15 (75), 08/17/2019 12:05 (5), 08/14/2021 03:30 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!