Moodle 3.6.3 ZIP File repository_ajax.php privilege escalation

A vulnerability classified as critical was found in Moodle 3.6.3 (Learning Management Software). This vulnerability affects the functionality of the file repository/repository_ajax.php?action=upload of the component ZIP File Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability (PHP Code Execution). The CWE definition for the vulnerability is CWE-94. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 05/01/2019. This vulnerability was named CVE-2019-11631 since 04/30/2019. The attack can be initiated remotely. A single authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/01/2019).

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

Name

• Moodle

• ?

• ?

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

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Privilege escalation / PHP Code Execution (CWE-94)
Local: No
Remote: Yes

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
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Remediation: ?Recommended: no mitigation known
0-Day Time: ?04/30/2019 CVE assigned
05/01/2019 +1 days Advisory disclosed
05/01/2019 +0 days VulDB entry created
05/01/2019 +0 days VulDB last updateCVE: CVE-2019-11631 (?)Created: 05/01/2019 02:01 PM
Complete: ?

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