Moodle up to 2.7.13/2.8.11/2.9.5/3.0.3 Capability Check information disclosure

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 (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Moodle up to 2.7.13/2.8.11/2.9.5/3.0.3. Impacted is an unknown function of the component Capability Check. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2016-3732. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Moodle up to 2.7.13/2.8.11/2.9.5/3.0.3 (Learning Management Software). It has been classified as problematic. This affects some unknown functionality of the component Capability Check. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

The capability check to access other badges in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to read the badges of other users.

The bug was discovered 05/18/2016. The weakness was disclosed 04/20/2017 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2016-3732 since 03/30/2016. It is possible to initiate the attack remotely. A authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 46 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 91930 (FreeBSD : moodle -- multiple vulnerabilities (8656cf5f-4170-11e6-8dfe-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (91930). The entries VDB-100345, VDB-100346, VDB-100348 and VDB-100349 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91930
Nessus Name: FreeBSD : moodle -- multiple vulnerabilities (8656cf5f-4170-11e6-8dfe-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2016-286bacdbfb
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/30/2016 🔍
05/18/2016 +49 days 🔍
07/03/2016 +46 days 🔍
07/05/2016 +2 days 🔍
04/20/2017 +289 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
12/21/2020 +1340 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3732 (🔍)
GCVE (CVE): GCVE-0-2016-3732
GCVE (VulDB): GCVE-100-100347
OSVDB: - CVE-2016-3732 - Moodle - Information Disclosure Issue
SecurityTracker: 1035902

See also: 🔍

Entryinfo

Created: 04/21/2017 09:45
Updated: 12/21/2020 09:31
Changes: 04/21/2017 09:45 (70), 09/18/2020 17:12 (4), 12/21/2020 09:31 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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