Moodle 3.x User Preferences Username information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Moodle 3.x and classified as problematic. The impacted element is an unknown function of the component User Preferences. The manipulation leads to information disclosure (Username). This vulnerability is referenced as CVE-2017-2642. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Moodle 3.x (Learning Management Software). It has been rated as problematic. This issue affects an unknown part of the component User Preferences. The manipulation with an unknown input leads to a information disclosure vulnerability (Username). 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:

Moodle 3.x has user fullname disclosure on the user preferences page.

The bug was discovered 07/17/2017. The weakness was published 07/17/2017 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-2642 since 12/01/2016. The attack may be initiated remotely. A simple 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 102087 (Fedora 26 : moodle (2017-33ae36adb3)), 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 276806 (Fedora Security Update for moodle (FEDORA-2017-60410804eb)).

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 (102087) and SecurityFocus (BID 99606†). Similar entry is available at VDB-103719. 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: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Username
Class: Information disclosure / Username
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: 102087
Nessus Name: Fedora 26 : moodle (2017-33ae36adb3)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2017-b0918e3905
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

12/01/2016 🔍
07/17/2017 +228 days 🔍
07/17/2017 +0 days 🔍
07/17/2017 +0 days 🔍
07/17/2017 +0 days 🔍
07/18/2017 +1 days 🔍
07/31/2017 +13 days 🔍
08/01/2017 +1 days 🔍
12/13/2022 +1960 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: FEDORA-2017-33ae36adb3⛔
Researcher: Andreas Grabs
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-2642 (🔍)
GCVE (CVE): GCVE-0-2017-2642
GCVE (VulDB): GCVE-100-103715
SecurityFocus: 99606 - Moodle CVE-2017-2642 Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 07/18/2017 11:01
Updated: 12/13/2022 08:35
Changes: 07/18/2017 11:01 (74), 10/26/2019 22:25 (6), 01/01/2021 17:58 (2), 12/13/2022 08:35 (3)
Complete: 🔍
Cache ID: 216::103

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

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