Moodle 3.x filepicker server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Moodle 3.x. Affected by this vulnerability is an unknown functionality of the component filepicker. Executing a manipulation can lead to server-side request forgery. This vulnerability appears as CVE-2018-1042. The attack may be performed from remote. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Moodle 3.x (Learning Management Software) and classified as critical. This vulnerability affects an unknown functionality of the component filepicker. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Moodle 3.x has Server Side Request Forgery in the filepicker.

The bug was discovered 01/22/2018. The weakness was presented 01/22/2018 (Website). The advisory is shared for download at moodle.org. This vulnerability was named CVE-2018-1042 since 12/04/2017. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 106542 (Fedora 27 : moodle (2018-c587c0a62d)), 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 277110 (Fedora Security Update for moodle (FEDORA-2018-c587c0a62d)).

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 Exploit-DB (47177), Tenable (106542) and SecurityFocus (BID 102752†). See VDB-112289, VDB-112290 and VDB-112291 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106542
Nessus Name: Fedora 27 : moodle (2018-c587c0a62d)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 61363
OpenVAS Name: Fedora Update for moodle FEDORA-2018-c587c0a62d
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

12/04/2017 🔍
01/22/2018 +49 days 🔍
01/22/2018 +0 days 🔍
01/22/2018 +0 days 🔍
01/22/2018 +0 days 🔍
01/23/2018 +1 days 🔍
01/31/2018 +8 days 🔍
02/01/2018 +1 days 🔍
07/27/2025 +2733 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: FEDORA-2018-c587c0a62d
Researcher: Thomas DeVoss
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1042 (🔍)
GCVE (CVE): GCVE-0-2018-1042
GCVE (VulDB): GCVE-100-112288
SecurityFocus: 102752 - Moodle CVE-2018-1042 Server Side Request Forgery Security Bypass Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 01/23/2018 08:00
Updated: 07/27/2025 23:29
Changes: 01/23/2018 08:00 (73), 12/26/2019 15:46 (6), 02/01/2021 13:37 (2), 02/02/2023 11:31 (3), 02/02/2023 11:39 (1), 07/27/2025 23:29 (24)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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