VDB-98539 · CVE-2017-2643 · BID 96978

Moodle 3.2.x Global Search User 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
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Moodle 3.2.x. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Global Search. This manipulation causes information disclosure (User). The identification of this vulnerability is CVE-2017-2643. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Moodle 3.2.x (Learning Management Software). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component Global Search. The manipulation with an unknown input leads to a information disclosure vulnerability (User). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

In Moodle 3.2.x, global search displays user names for unauthenticated users.

The bug was discovered 03/20/2017. The weakness was shared 03/26/2017 (Website). It is possible to read the advisory at moodle.org. This vulnerability is known as CVE-2017-2643 since 12/01/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/15/2022). 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 6 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276553 (Fedora Security Update for moodle (FEDORA-2017-0196511d58)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 96978†). The entries VDB-98540 and VDB-98541 are related to this item. 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: 5.3
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.3
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

Name: User
Class: Information disclosure / User
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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OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2017-0fcaf52f1a
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
03/20/2017 +109 days 🔍
03/20/2017 +0 days 🔍
03/26/2017 +6 days 🔍
03/26/2017 +0 days 🔍
03/27/2017 +1 days 🔍
11/15/2022 +2059 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: moodle.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-2643 (🔍)
GCVE (CVE): GCVE-0-2017-2643
GCVE (VulDB): GCVE-100-98539
SecurityFocus: 96978 - Moodle CVE-2017-2643 Information Disclosure Vulnerability
OSVDB: - CVE-2017-2643 - Moodle - Information Disclosure Issue
SecurityTracker: 1038174

See also: 🔍

Entryinfo

Created: 03/27/2017 08:56
Updated: 11/15/2022 11:39
Changes: 03/27/2017 08:56 (67), 09/14/2020 10:47 (5), 11/15/2022 11:39 (2)
Complete: 🔍
Cache ID: 216::103

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

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