Moodle up to 3.5.4/3.6.2 Boost Theme's Secure Layout access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Moodle up to 3.5.4/3.6.2. Affected by this issue is some unknown functionality of the component Boost Theme's Secure Layout. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2019-3851. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Moodle up to 3.5.4/3.6.2 (Learning Management Software). It has been rated as critical. Affected by this issue is an unknown code block of the component Boost Theme's Secure Layout. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability was found in moodle before versions 3.6.3 and 3.5.5. There was a link to site home within the the Boost theme's secure layout, meaning students could navigate out of the page.

The bug was discovered 03/19/2019. The weakness was disclosed 03/26/2019 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2019-3851 since 01/03/2019. The exploitation is known to be easy. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 3.5.5 or 3.6.3 eliminates this vulnerability.

The entries VDB-132453, VDB-132451, VDB-132450 and VDB-132449 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 3.5.5/3.6.3

Timelineinfo

01/03/2019 🔍
03/19/2019 +75 days 🔍
03/26/2019 +7 days 🔍
03/27/2019 +1 days 🔍
08/08/2023 +1595 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: bugzilla.redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-3851 (🔍)
GCVE (CVE): GCVE-0-2019-3851
GCVE (VulDB): GCVE-100-132452
See also: 🔍

Entryinfo

Created: 03/27/2019 06:45
Updated: 08/08/2023 14:53
Changes: 03/27/2019 06:45 (59), 05/21/2020 17:19 (2), 08/08/2023 14:53 (14)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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