Moodle up to 2.3.1 lib/filelib.php information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Moodle up to 2.3.1. This affects an unknown part in the library lib/filelib.php. The manipulation leads to information disclosure. This vulnerability is traded as CVE-2012-4407. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Moodle up to 2.3.1 (Learning Management Software) and classified as problematic. This issue affects an unknown code in the library lib/filelib.php. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

lib/filelib.php in Moodle 2.1.x before 2.1.8, 2.2.x before 2.2.5, and 2.3.x before 2.3.2 does not properly check the publication state of blog files, which allows remote attackers to obtain sensitive information by reading a blog entry that references a non-public file.

The weakness was shared 09/19/2012 by Alex as confirmed git commit (GIT Repository). It is possible to read the advisory at git.moodle.org. The identification of this vulnerability is CVE-2012-4407. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

By approaching the search of inurl:lib/filelib.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 62338 (Fedora 17 : moodle-2.2.5-1.fc17 (2012-14348)), 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 2.1.7 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 (78678), Tenable (62338), SecurityFocus (BID 55565†) and Vulnerability Center (SBV-36373†). The entries VDB-62340, VDB-62338, VDB-62337 and VDB-62336 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 62338
Nessus Name: Fedora 17 : moodle-2.2.5-1.fc17 (2012-14348)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 864758
OpenVAS Name: Fedora Update for moodle FEDORA-2012-14348
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.1.7
Patch: git.moodle.org

Timelineinfo

09/17/2012 🔍
09/17/2012 +0 days 🔍
09/19/2012 +2 days 🔍
09/19/2012 +0 days 🔍
10/07/2012 +18 days 🔍
03/24/2015 +898 days 🔍
12/14/2021 +2457 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2012-4407 (🔍)
GCVE (CVE): GCVE-0-2012-4407
GCVE (VulDB): GCVE-100-62339
X-Force: 78678
SecurityFocus: 55565 - Moodle Multiple Security Vulnerabilities
Vulnerability Center: 36373 - Moodle lib/filelib.php Allows Remote Information Disclosure Regarding to Blog Files, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/14/2021 08:19
Changes: 03/24/2015 12:22 (61), 04/17/2017 12:15 (10), 12/14/2021 08:19 (3)
Complete: 🔍
Cache ID: 216::103

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