Moodle up to 2.6.11/2.7.9/2.8.7/2.9.1 Sync Script enrol/meta/locallib.php enrol_meta_sync access control

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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Moodle up to 2.6.11/2.7.9/2.8.7/2.9.1. Affected by this vulnerability is the function enrol_meta_sync in the library enrol/meta/locallib.php of the component Sync Script Handler. The manipulation results in access control. This vulnerability was named CVE-2015-5266. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Moodle up to 2.6.11/2.7.9/2.8.7/2.9.1 (Learning Management Software). Affected is the function enrol_meta_sync in the library enrol/meta/locallib.php of the component Sync Script Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The enrol_meta_sync function in enrol/meta/locallib.php in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 allows remote authenticated users to obtain manager privileges in opportunistic circumstances by leveraging incorrect role processing during a long-running sync script.

The weakness was presented 02/22/2016 (Website). The advisory is shared for download at moodle.org. This vulnerability is traded as CVE-2015-5266 since 07/01/2015. The attack needs to be approached locally. A authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

By approaching the search of inurl:enrol/meta/locallib.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 85995 (FreeBSD : moodle -- multiple vulnerabilities (c2fcbec2-5daa-11e5-9909-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11530 (Moodle Multiple Security Vulnerabilities (MSA-15-0036, MSA-15-0035, MSA-15-0034, MSA-15-0033, MSA-15-0032, MSA-15-0030)).

Upgrading to version 2.7.8, 2.8.8 or 2.9.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (85995). See VDB-81046, VDB-81047, VDB-81049 and VDB-81050 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85995
Nessus Name: FreeBSD : moodle -- multiple vulnerabilities (c2fcbec2-5daa-11e5-9909-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2015-2
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.7.8/2.8.8/2.9.2

Timelineinfo

07/01/2015 🔍
09/18/2015 +79 days 🔍
09/18/2015 +0 days 🔍
02/22/2016 +157 days 🔍
02/22/2016 +0 days 🔍
02/23/2016 +1 days 🔍
07/08/2022 +2327 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: moodle.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5266 (🔍)
GCVE (CVE): GCVE-0-2015-5266
GCVE (VulDB): GCVE-100-81048
SecurityTracker: 1033619

See also: 🔍

Entryinfo

Created: 02/23/2016 09:40
Updated: 07/08/2022 10:02
Changes: 02/23/2016 09:40 (60), 08/07/2018 09:36 (15), 07/08/2022 10:02 (3)
Complete: 🔍
Cache ID: 216::103

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