Moodle up to 2.2.3 Access Restriction mod/forum/rsslib.php access control

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Moodle up to 2.2.3. Affected by this issue is some unknown functionality in the library mod/forum/rsslib.php of the component Access Restriction. The manipulation results in access control. This vulnerability is reported as CVE-2012-3391. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Moodle up to 2.2.3 (Learning Management Software). Affected is some unknown functionality in the library mod/forum/rsslib.php of the component Access Restriction. 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. CVE summarizes:

mod/forum/rsslib.php in Moodle 2.1.x before 2.1.7 and 2.2.x before 2.2.4 does not properly implement the requirement for posting before reading a Q&A forum, which allows remote authenticated users to bypass intended access restrictions by leveraging the student role and reading the RSS feed for a forum.

The weakness was disclosed 07/23/2012 by Daniel Compton (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2012-3391 since 06/14/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. 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:mod/forum/rsslib.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 61385 (Fedora 16 : moodle-2.0.10-1.fc16 (2012-11028)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 2.2.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (76957), Tenable (61385), SecurityFocus (BID 54481†) and Vulnerability Center (SBV-35826†). The entries VDB-61399, VDB-61398, VDB-61397 and VDB-61396 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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-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: 61385
Nessus Name: Fedora 16 : moodle-2.0.10-1.fc16 (2012-11028)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 864582
OpenVAS Name: Fedora Update for moodle FEDORA-2012-11028
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 2.2.3

Timelineinfo

06/14/2012 🔍
07/17/2012 +33 days 🔍
07/23/2012 +6 days 🔍
07/23/2012 +0 days 🔍
07/23/2012 +0 days 🔍
08/08/2012 +16 days 🔍
03/23/2015 +957 days 🔍
12/06/2021 +2450 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: openwall.com
Researcher: Daniel Compton
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-3391 (🔍)
GCVE (CVE): GCVE-0-2012-3391
GCVE (VulDB): GCVE-100-61392
X-Force: 76957
SecurityFocus: 54481 - Moodle Multiple Security Vulnerabilities
Secunia: 49890
Vulnerability Center: 35826 - Moodle \x27rsslib.php\x27 Improper Posting Requirement Implementation Allows Remote Access Bypass, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/06/2021 21:20
Changes: 03/23/2015 16:50 (60), 04/15/2017 16:22 (11), 12/06/2021 21:05 (3), 12/06/2021 21:20 (1)
Complete: 🔍
Cache ID: 216:184:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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