Moodle up to 1.9.14 mnet/lib.php ip_in_range access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability has been found in Moodle up to 1.9.14 and classified as problematic. This issue affects the function ip_in_range in the library mnet/lib.php. This manipulation causes access control. This vulnerability is handled as CVE-2011-4588. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Moodle up to 1.9.14 (Learning Management Software). It has been declared as problematic. Affected by this vulnerability is the function ip_in_range in the library mnet/lib.php. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect integrity. The summary by CVE is:

The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.

The weakness was released 07/20/2012 by Ryan Smith (Patrick) as confirmed git commit (GIT Repository). It is possible to read the advisory at git.moodle.org. This vulnerability is known as CVE-2011-4588 since 11/29/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

By approaching the search of inurl:mnet/lib.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 58172 (Debian DSA-2421-1 : moodle - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 1.9.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.moodle.org. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at Tenable (58172), SecurityFocus (BID 50923†) and Vulnerability Center (SBV-35609†). Entries connected to this vulnerability are available at VDB-61356, VDB-61350, VDB-61349 and VDB-61348. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 58172
Nessus Name: Debian DSA-2421-1 : moodle - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 71149
OpenVAS Name: Debian Security Advisory DSA 2421-1 (moodle)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 1.9.3
Patch: 3ab2851d2a59721445945d0706c58092e07e861e

Timelineinfo

11/29/2011 🔍
12/06/2011 +7 days 🔍
01/02/2012 +27 days 🔍
07/20/2012 +200 days 🔍
07/20/2012 +0 days 🔍
07/22/2012 +2 days 🔍
03/23/2015 +974 days 🔍
12/06/2021 +2450 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: DSA-2421
Researcher: Ryan Smith (Patrick)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4588 (🔍)
GCVE (CVE): GCVE-0-2011-4588
GCVE (VulDB): GCVE-100-61351

OVAL: 🔍

SecurityFocus: 50923 - Moodle Multiple Security Vulnerabilities
Vulnerability Center: 35609 - MNET in Moodle Allows to Bypass IP Address Restrictions via an XMLRPC Request, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/06/2021 14:47
Changes: 03/23/2015 16:50 (61), 04/14/2017 14:34 (13), 12/06/2021 14:40 (4), 12/06/2021 14:43 (1), 12/06/2021 14:47 (2)
Complete: 🔍
Cache ID: 216:3CA:103

Be aware that VulDB is the high quality source for vulnerability data.

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