Moodle up to 3.5.10/3.6.8/3.7.4/3.8.1 Header X-Forwarded-For data authenticity

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Moodle up to 3.5.10/3.6.8/3.7.4/3.8.1. It has been declared as critical. The impacted element is an unknown function of the component Header Handler. Such manipulation of the argument X-Forwarded-For leads to data authenticity. This vulnerability is documented as CVE-2020-1755. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Moodle up to 3.5.10/3.6.8/3.7.4/3.8.1 (Learning Management Software). It has been rated as critical. Affected by this issue is some unknown processing of the component Header Handler. The manipulation of the argument X-Forwarded-For with an unknown input leads to a data authenticity vulnerability. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Moodle before 3.8.2, 3.7.5, 3.6.9 and 3.5.11, X-Forwarded-For headers could be used to spoof a user's IP, in order to bypass remote address checks.

The weakness was released 08/17/2022. The advisory is shared for download at moodle.org. This vulnerability is handled as CVE-2020-1755 since 11/27/2019. There are known technical details, but no exploit is available.

Upgrading to version 3.5.11, 3.6.9, 3.7.5 or 3.8.2 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
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 3.5.11/3.6.9/3.7.5/3.8.2

Timelineinfo

11/27/2019 🔍
08/17/2022 +993 days 🔍
08/17/2022 +0 days 🔍
08/17/2022 +0 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: moodle.org
Status: Confirmed

CVE: CVE-2020-1755 (🔍)
GCVE (CVE): GCVE-0-2020-1755
GCVE (VulDB): GCVE-100-206576

Entryinfo

Created: 08/17/2022 10:23
Changes: 08/17/2022 10:23 (40)
Complete: 🔍
Cache ID: 216::103

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