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.
4.1	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Moodle (Learning Management Software). This affects some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity. The summary by CVE is:

The MNET authentication functionality in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote authenticated users to impersonate other user accounts by using the Login As feature in conjunction with a remote MNET single sign-on capability, as demonstrated by a Mahara site.

The weakness was disclosed 07/20/2012 by Ryan Smith (Patrick) as confirmed git commit (GIT Repository). It is possible to read the advisory at git.moodle.org. This vulnerability is uniquely identified as CVE-2011-4584 since 11/29/2011. The exploitability is told to be easy. It is possible to initiate the attack remotely. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 58172 (Debian DSA-2421-1 : moodle - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 1.9.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.moodle.org. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the vulnerability database at Tenable (58172). The entries 61356, 61351, 61350 and 61349 are pretty similar.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 1.9
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 2.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.1
• 2.1.1
• 2.1.2

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 58172
Nessus Name: Debian DSA-2421-1 : moodle - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71149
OpenVAS Name: Debian Security Advisory DSA 2421-1 (moodle)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 1.9.3
Patch: 10df8657c1c138c0d0ab1d4796c552fcec0c299b

Timelineinfo

11/29/2011 🔍
12/06/2011 +7 days 🔍
01/02/2012 +27 days 🔍
07/20/2012 +200 days 🔍
07/20/2012 +0 days 🔍
07/22/2012 +2 days 🔍
03/23/2015 +974 days 🔍
12/06/2021 +2450 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: DSA-2421
Researcher: Ryan Smith (Patrick)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4584 (🔍)
OVAL: 🔍

Vulnerability Center: 35605 - Moodle MNET Authentication Functionality Remote Security Bypass Vulnerability, Medium
SecurityFocus: 50923 - Moodle Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/06/2021 14:13
Changes: 03/23/2015 16:50 (59), 04/14/2017 14:33 (13), 12/06/2021 14:07 (4), 12/06/2021 14:08 (1), 12/06/2021 14:13 (2)
Complete: 🔍

Discussion

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