Moodle up to 2.7 Access Restriction access control

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Moodle. It has been classified as critical. The impacted element is an unknown function of the component Access Restriction. This manipulation causes access control. This vulnerability is registered as CVE-2014-3553. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Moodle (Learning Management Software). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Access Restriction. 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, and integrity. The summary by CVE is:

mod/forum/classes/post_form.php in Moodle through 2.3.11, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, and 2.7.x before 2.7.1 does not enforce the moodle/site:accessallgroups capability requirement before proceeding with a post to all groups, which allows remote authenticated users to bypass intended access restrictions by leveraging two or more group memberships.

The weakness was published 07/29/2014 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.moodle.org. This vulnerability is known as CVE-2014-3553 since 05/14/2014. The attack can be launched remotely. The requirement for exploitation is a single 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 commercial vulnerability scanner Qualys is able to test this issue with plugin 122523 (Fedora Security Update for moodle (FEDORA-2014-8609)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.moodle.org.

The vulnerability is also documented in the databases at X-Force (94729), SecurityFocus (BID 68772†) and Vulnerability Center (SBV-45859†). Similar entries are available at VDB-70494, VDB-70493, VDB-70490 and VDB-70489. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 867240
OpenVAS Name: Fedora Update for moodle FEDORA-2014-10802
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.moodle.org

Timelineinfo

05/14/2014 🔍
07/21/2014 +68 days 🔍
07/21/2014 +0 days 🔍
07/29/2014 +8 days 🔍
07/29/2014 +0 days 🔍
08/14/2014 +16 days 🔍
03/26/2015 +224 days 🔍
06/04/2017 +801 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2014-3553 (🔍)
GCVE (CVE): GCVE-0-2014-3553
GCVE (VulDB): GCVE-100-70495
X-Force: 94729
SecurityFocus: 68772 - Moodle Forum CVE-2014-3553 Unauthorized Access Vulnerability
Vulnerability Center: 45859 - Moodle Remote Security Bypass Allows Unprivileged Forum Group Posting, Medium

See also: 🔍

Entryinfo

Created: 03/26/2015 12:07
Updated: 06/04/2017 10:53
Changes: 03/26/2015 12:07 (64), 06/04/2017 10:53 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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