Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1 Login Restriction login/confirm.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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1. Affected is an unknown function of the file login/confirm.php of the component Login Restriction Handler. Performing a manipulation results in access control. This vulnerability is reported as CVE-2015-3179. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1 (Learning Management Software). This affects an unknown functionality of the file login/confirm.php of the component Login Restriction Handler. 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 confidentiality, integrity, and availability. The summary by CVE is:

login/confirm.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 allows remote authenticated users to bypass intended login restrictions by leveraging access to an unconfirmed suspended account.

The weakness was disclosed 06/01/2015 (Website). The advisory is shared at moodle.org. This vulnerability is uniquely identified as CVE-2015-3179 since 04/10/2015. 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:login/confirm.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 86032 (Fedora 23 : moodle-2.9.1-1.fc23 (2015-14987)), 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 124077 (Fedora Security Update for moodle (FEDORA-2015-14988)).

Upgrading to version 2.6.7, 2.7.4 or 2.8.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86032), SecurityFocus (BID 74725†) and Vulnerability Center (SBV-50641†). The entries VDB-75652, VDB-75653, VDB-75654 and VDB-75655 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4
• 2.5.5
• 2.5.6
• 2.5.7
• 2.5.8
• 2.5.9
• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.7.0
• 2.7.1
• 2.7.2
• 2.7.3
• 2.8.0
• 2.8.1

License

• open-source

Website

• Product: https://moodle.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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
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

Nessus ID: 86032
Nessus Name: Fedora 23 : moodle-2.9.1-1.fc23 (2015-14987)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2015-14996
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.6.7/2.7.4/2.8.2

Timelineinfo

04/10/2015 🔍
05/18/2015 +38 days 🔍
05/18/2015 +0 days 🔍
06/01/2015 +14 days 🔍
06/01/2015 +0 days 🔍
06/02/2015 +1 days 🔍
06/18/2015 +16 days 🔍
05/19/2022 +2527 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2015-3179 (🔍)
GCVE (CVE): GCVE-0-2015-3179
GCVE (VulDB): GCVE-100-75657
SecurityFocus: 74725 - Moodle 'login/confirm.php' Security Bypass Vulnerability
SecurityTracker: 1032358
Vulnerability Center: 50641 - Moodle Remote Security Bypass via Suspended Account, Low

See also: 🔍

Entryinfo

Created: 06/02/2015 09:59
Updated: 05/19/2022 22:49
Changes: 06/02/2015 09:59 (57), 07/01/2017 07:59 (14), 05/19/2022 22:35 (3), 05/19/2022 22:49 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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