VDB-100345 · CVE-2016-3729 · OpenVAS 867773

Moodle up to 2.7.13/2.8.11/2.9.5/3.0.3 User Edit access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability has been found in Moodle up to 2.7.13/2.8.11/2.9.5/3.0.3 (Learning Management Software) and classified as critical. Affected by this vulnerability is an unknown function of the component User Edit. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The user editing form in Moodle 3.0 through 3.0.3, 2.9 through 2.9.5, 2.8 through 2.8.11, 2.7 through 2.7.13, and earlier allows remote authenticated users to edit profile fields locked by the administrator.

The bug was discovered 03/21/2016. The weakness was published 04/20/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2016-3729 since 03/30/2016. The attack can be launched remotely. The successful exploitation requires a single authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 60 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 92071 (Fedora 23 : moodle (2016-286bacdbfb)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (92071). Similar entries are available at 100346, 100347, 100348 and 100349.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
NVD Vector: 🔍

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-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92071
Nessus Name: Fedora 23 : moodle (2016-286bacdbfb)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2016-286bacdbfb
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/21/2016 🔍
03/30/2016 +9 days 🔍
05/20/2016 +51 days 🔍
07/14/2016 +55 days 🔍
04/20/2017 +280 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
12/01/2022 +2050 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: FEDORA-2016-286bacdbfb
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3729 (🔍)
SecurityTracker: 1035902
OSVDB: - CVE-2016-3729 - Moodle - Data Modification Issue

See also: 🔍

Entryinfo

Created: 04/21/2017 09:45
Updated: 12/01/2022 14:21
Changes: 04/21/2017 09:45 (70), 09/18/2020 17:05 (4), 12/21/2020 09:22 (2), 12/01/2022 14:21 (3)
Complete: 🔍

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