VDB-112289 · CVE-2018-1043 · BID 102769

Moodle 3.x Blacklist Hostname 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Moodle 3.x (Learning Management Software) and classified as critical. This issue affects some unknown functionality of the component Blacklist. The manipulation as part of a Hostname leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Moodle 3.x, the setting for blocked hosts list can be bypassed with multiple A record hostnames.

The bug was discovered 01/22/2018. The weakness was shared 01/22/2018 (Website). The advisory is shared at moodle.org. The identification of this vulnerability is CVE-2018-1043 since 12/04/2017. The attack may be initiated remotely. A simple authentication is required for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1211 for this issue.

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 277111 (Fedora Security Update for moodle (FEDORA-2018-7e086e3309)).

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 vulnerability database at Tenable (106542). The entries 112288, 112290 and 112291 are related to this item.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
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NVD Base Score: 6.5
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VulDB Base Score: 🔍
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Class: 7pk security
CWE: CWE-254
ATT&CK: T1211

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍


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: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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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 🔍
02/02/2023 +1827 days 🔍


Product: moodle.org

Advisory: FEDORA-2018-c587c0a62d
Researcher: Jordan Tomkinson
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1043 (🔍)
SecurityFocus: 102769 - Moodle CVE-2018-1043 Security Bypass Vulnerability

See also: 🔍


Created: 01/23/2018 08:01 AM
Updated: 02/02/2023 11:46 AM
Changes: 01/23/2018 08:01 AM (74), 12/26/2019 03:51 PM (6), 02/01/2021 01:43 PM (2), 02/02/2023 11:46 AM (3)
Complete: 🔍


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