Moodle 3.x Course Report information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Moodle 3.x and classified as problematic. Affected by this issue is some unknown functionality of the component Course Report Handler. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2017-12157. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Moodle 3.x (Learning Management Software). This affects an unknown part of the component Course Report Handler. 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:

In Moodle 3.x, various course reports allow teachers to view details about users in the groups they can't access.

The bug was discovered 09/18/2017. The weakness was disclosed 09/18/2017 (Website). It is possible to read the advisory at moodle.org. This vulnerability is uniquely identified as CVE-2017-12157 since 08/01/2017. It is possible to initiate the attack remotely. A authentication is necessary 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 scanner Nessus provides a plugin with the ID 103548 (Fedora 26 : moodle (2017-9a452dc893)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276890 (Fedora Security Update for moodle (FEDORA-2017-9a452dc893)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103548) and SecurityFocus (BID 100848†). The entry VDB-106766 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: 103548
Nessus Name: Fedora 26 : moodle (2017-9a452dc893)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2017-c840f79347
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/01/2017 🔍
09/18/2017 +48 days 🔍
09/18/2017 +0 days 🔍
09/18/2017 +0 days 🔍
09/18/2017 +0 days 🔍
09/18/2017 +0 days 🔍
09/28/2017 +10 days 🔍
09/29/2017 +1 days 🔍
12/29/2022 +1917 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: FEDORA-2017-9a452dc893
Researcher: Juan Leyva
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12157 (🔍)
GCVE (CVE): GCVE-0-2017-12157
GCVE (VulDB): GCVE-100-106767
SecurityFocus: 100848 - Moodle CVE-2017-12157 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 09/18/2017 18:57
Updated: 12/29/2022 10:40
Changes: 09/18/2017 18:57 (73), 11/17/2019 10:03 (6), 01/13/2021 11:26 (2), 12/29/2022 10:40 (3)
Complete: 🔍
Cache ID: 216::103

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

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