Moodle 2.6.8/2.7.5/2.8.3 mdeploy.php 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.
5.5$0-$5k0.05

A vulnerability, which was classified as critical, was found in Moodle 2.6.8/2.7.5/2.8.3 (Learning Management Software). Affected is some unknown processing of the file mdeploy.php. The manipulation with an unknown input 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. CVE summarizes:

mdeploy.php in Moodle through 2.5.9, 2.6.x before 2.6.9, 2.7.x before 2.7.6, and 2.8.x before 2.8.4 allows remote authenticated users to bypass intended access restrictions and extract archives to arbitrary directories via a crafted dataroot value.

The weakness was published 03/16/2015 as MSA-15-0011 as confirmed advisory (Website). The advisory is available at moodle.org. This vulnerability is traded as CVE-2015-2267 since 03/09/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. Required for exploitation is a authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

By approaching the search of inurl:mdeploy.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 82601 (Fedora 20 : moodle-2.6.10-1.fc20 (2015-4530)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13118 (Moodle Multiple Security Vulnerabilities (MSA-15-0010, MSA-15-0011, MSA-15-0012, MSA-15-0013, MSA-15-0014, MSA-15-0015, MSA-15-0016, MSA-15-0017)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (101559) and Tenable (82601). Similar entries are available at 74008, 74009, 74011 and 75647.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 82601
Nessus Name: Fedora 20 : moodle-2.6.10-1.fc20 (2015-4530)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2015-4724
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2015 🔍
03/16/2015 +7 days 🔍
03/16/2015 +0 days 🔍
06/01/2015 +77 days 🔍
06/01/2015 +0 days 🔍
06/18/2015 +17 days 🔍
04/15/2022 +2493 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: MSA-15-0011
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2267 (🔍)
X-Force: 101559 - Moodle mdeploy.php security bypass
Vulnerability Center: 50629 - Moodle Remote Security Bypass via mdeploy.php, Medium
SecurityFocus: 73163

See also: 🔍

Entryinfo

Created: 03/16/2015 11:41
Updated: 04/15/2022 14:32
Changes: 03/16/2015 11:41 (66), 07/01/2017 07:55 (5), 04/15/2022 14:32 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!