Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1 tag/user.php access control

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1. It has been rated as critical. This affects an unknown part of the file tag/user.php. This manipulation causes access control. The identification of this vulnerability is CVE-2015-2271. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1 (Learning Management Software) and classified as critical. Affected by this vulnerability is an unknown function of the file tag/user.php. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

tag/user.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 does not consider the moodle/tag:flag capability before proceeding with a flaginappropriate action, which allows remote authenticated users to bypass intended access restrictions via the "Flag as inappropriate" feature.

The weakness was shared 06/01/2015 (Website). The advisory is shared at moodle.org. This vulnerability is known as CVE-2015-2271 since 03/09/2015. The attack can be launched remotely. The successful exploitation requires a single authentication. 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:tag/user.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 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 (82601), SecurityFocus (BID 73159†) and Vulnerability Center (SBV-50633†). The entries VDB-74008, VDB-74009, VDB-74010 and VDB-74011 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍

Upgrade: Moodle 2.6.7/2.7.4/2.8.2

Timelineinfo

03/09/2015 🔍
06/01/2015 +84 days 🔍
06/01/2015 +0 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-2015-2271 (🔍)
GCVE (CVE): GCVE-0-2015-2271
GCVE (VulDB): GCVE-100-75649
SecurityFocus: 73159
Vulnerability Center: 50633 - Moodle Remote Security Bypass via Flag Tag, Medium

See also: 🔍

Entryinfo

Created: 06/02/2015 09:58
Updated: 05/19/2022 20:23
Changes: 06/02/2015 09:58 (56), 07/01/2017 07:57 (12), 05/19/2022 20:23 (3)
Complete: 🔍
Cache ID: 216::103

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

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