VDB-61355 · CVE-2011-4592 · OpenVAS 863984

Moodle up to 2.1.2 Locking 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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Moodle up to 2.1.2. It has been rated as critical. This affects an unknown function of the component Locking. The manipulation leads to access control. This vulnerability is referenced as CVE-2011-4592. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Moodle up to 2.1.2 (Learning Management Software). This issue affects an unknown function of the component Locking. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is integrity. The summary by CVE is:

The command-line cron implementation in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3 does not properly interact with IP blocking, which might allow remote attackers to bypass intended IP address restrictions by leveraging a configuration in which IP blocking was disabled to restore cron functionality.

The weakness was published 07/20/2012 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.moodle.org. The identification of this vulnerability is CVE-2011-4592 since 11/29/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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.

Upgrading to version 2.0.1 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.

Similar entries are available at VDB-61359, VDB-61356, VDB-61354 and VDB-61353. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Learning Management Software

Name

Moodle

Version

License

open-source

Website

Product: https://moodle.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

OpenVAS ID: 863984
OpenVAS Name: Fedora Update for moodle FEDORA-2011-16833
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.0.1
Patch: ade30ad3c420ce035a3d68287db701b70e806b3f

Timelineinfo

11/29/2011 🔍
07/20/2012 +234 days 🔍
07/20/2012 +0 days 🔍
03/23/2015 +976 days 🔍
12/06/2021 +2450 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: git.moodle.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4592 (🔍)
GCVE (CVE): GCVE-0-2011-4592
GCVE (VulDB): GCVE-100-61355
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/06/2021 14:50
Changes: 03/23/2015 16:50 (54), 02/18/2019 16:01 (2), 12/06/2021 14:50 (3)
Complete: 🔍
Cache ID: 216:9F4:103

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