VDB-116985 · CVE-2018-10305 · OpenVAS 58762

Simple Machines Forum up to 2.0.14 Access Restriction PersonalMessage.php MessageSearch2 possible_users access control

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Simple Machines Forum up to 2.0.14. Affected by this vulnerability is the function MessageSearch2 of the file PersonalMessage.php of the component Access Restriction. Performing a manipulation of the argument possible_users as part of Variable results in access control. This vulnerability is known as CVE-2018-10305. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Simple Machines Forum up to 2.0.14 (Forum Software). This affects the function MessageSearch2 of the file PersonalMessage.php of the component Access Restriction. The manipulation of the argument possible_users as part of a Variable leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The MessageSearch2 function in PersonalMessage.php in Simple Machines Forum (SMF) before 2.0.15 does not properly use the possible_users variable in a query, which might allow attackers to bypass intended access restrictions.

The bug was discovered 04/23/2018. The weakness was published 04/24/2018 (Website). The advisory is shared at simplemachines.org. This vulnerability is uniquely identified as CVE-2018-10305 since 04/23/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

By approaching the search of inurl:PersonalMessage.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.0.15 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Forum Software

Vendor

Simple Machines

Name

Forum

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

OpenVAS ID: 58762
OpenVAS Name: Simple Machines Forum Security Bypass Vulnerability May18
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: Forum 2.0.15

Timelineinfo

04/23/2018 🔍
04/23/2018 +0 days 🔍
04/23/2018 +0 days 🔍
04/24/2018 +1 days 🔍
04/24/2018 +0 days 🔍
01/30/2020 +646 days 🔍

Sourcesinfo

Advisory: simplemachines.org
Status: Not defined

CVE: CVE-2018-10305 (🔍)
GCVE (CVE): GCVE-0-2018-10305
GCVE (VulDB): GCVE-100-116985

Entryinfo

Created: 04/24/2018 10:22
Updated: 01/30/2020 17:19
Changes: 04/24/2018 10:22 (66), 01/30/2020 17:19 (1)
Complete: 🔍
Cache ID: 216::103