Moodle up to 2.4.3 mod/assign/locallib.php access control

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Moodle up to 2.4.3. This vulnerability affects unknown code in the library mod/assign/locallib.php. The manipulation results in access control. This vulnerability was named CVE-2013-2079. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in Moodle up to 2.4.3 (Learning Management Software). Affected is an unknown code block in the library mod/assign/locallib.php. 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. CVE summarizes:

mod/assign/locallib.php in the assignment module in Moodle 2.3.x before 2.3.7 and 2.4.x before 2.4.4 does not consider capability requirements during the processing of ZIP assignment-archive download (aka downloadall) requests, which allows remote authenticated users to read other users assignments by leveraging the student role.

The weakness was presented 05/24/2013 as confirmed git commit (GIT Repository). The advisory is shared for download at git.moodle.org. This vulnerability is traded as CVE-2013-2079 since 02/19/2013. The exploitability is told to be easy. It is possible to launch the attack remotely. The requirement for exploitation is a authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

By approaching the search of inurl:mod/assign/locallib.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 66651 (Fedora 17 : moodle-2.2.10-1.fc17 (2013-8692)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 2.3.5 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 databases at X-Force (84417), Tenable (66651), SecurityFocus (BID 60028†) and Vulnerability Center (SBV-39908†). See VDB-64192, VDB-64191, VDB-64190 and VDB-64189 for similar entries. Once again VulDB remains the best 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: 4.3
VulDB Meta Temp Score: 4.1

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

CVSSv2info

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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: 66651
Nessus Name: Fedora 17 : moodle-2.2.10-1.fc17 (2013-8692)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 865665
OpenVAS Name: Fedora Update for moodle FEDORA-2013-8692
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.3.5
Patch: git.moodle.org

Timelineinfo

02/19/2013 🔍
05/21/2013 +91 days 🔍
05/21/2013 +0 days 🔍
05/24/2013 +3 days 🔍
05/24/2013 +0 days 🔍
05/29/2013 +5 days 🔍
06/09/2013 +11 days 🔍
03/24/2015 +653 days 🔍
01/02/2022 +2476 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2013-2079 (🔍)
GCVE (CVE): GCVE-0-2013-2079
GCVE (VulDB): GCVE-100-64188
X-Force: 84417
SecurityFocus: 60028 - Moodle CVE-2013-2079 Security Bypass Vulnerability
Vulnerability Center: 39908 - Moodle 2.3-2.3.6, 2.4 - 2.4.4 Remote Authenticated Leakage of Information While Process ZIP Assignment-Archive Download Requests, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/02/2022 20:49
Changes: 03/24/2015 15:54 (69), 05/01/2017 12:05 (4), 01/02/2022 20:49 (3)
Complete: 🔍
Cache ID: 216::103

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