Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1 Regex filter.php resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1 and classified as problematic. This impacts an unknown function of the file filter/mediaplugin/filter.php of the component Regex Handler. Performing a manipulation results in resource management. This vulnerability is known as CVE-2015-0217. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Moodle up to 2.5.9/2.6.6/2.7.3/2.8.1 (Learning Management Software). This affects an unknown part of the file filter/mediaplugin/filter.php of the component Regex Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

filter/mediaplugin/filter.php in Moodle through 2.5.9, 2.6.x before 2.6.7, 2.7.x before 2.7.4, and 2.8.x before 2.8.2 allows remote authenticated users to cause a denial of service (CPU consumption or partial outage) via a crafted string that is matched against an improper regular expression.

The weakness was published 06/01/2015 (Website). The advisory is shared at moodle.org. This vulnerability is uniquely identified as CVE-2015-0217 since 11/18/2014. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. Technical details are known, but no exploit is available.

By approaching the search of inurl:filter/mediaplugin/filter.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 81360 (Fedora 21 : moodle-2.7.5-1.fc21 (2015-1751)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123327 (Fedora Security Update for moodle (FEDORA-2015-1751)).

Upgrading to version 2.6.7, 2.7.4 or 2.8.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (81360), SecurityFocus (BID 72655†) and Vulnerability Center (SBV-50362†). Similar entries are available at VDB-75639, VDB-75640, VDB-75641 and VDB-75642. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4
• 2.5.5
• 2.5.6
• 2.5.7
• 2.5.8
• 2.5.9
• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.7.0
• 2.7.1
• 2.7.2
• 2.7.3
• 2.8.0
• 2.8.1

License

• open-source

Website

• Product: https://moodle.org/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 81360
Nessus Name: Fedora 21 : moodle-2.7.5-1.fc21 (2015-1751)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for moodle FEDORA-2015-1751
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 2.6.7/2.7.4/2.8.2

Timelineinfo

11/18/2014 🔍
01/19/2015 +62 days 🔍
02/10/2015 +22 days 🔍
06/01/2015 +111 days 🔍
06/01/2015 +0 days 🔍
06/02/2015 +1 days 🔍
06/02/2015 +0 days 🔍
05/19/2022 +2543 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2015-0217 (🔍)
GCVE (CVE): GCVE-0-2015-0217
GCVE (VulDB): GCVE-100-75645
SecurityFocus: 72655 - Moodle CVE-2015-0217 Denial of Service Vulnerability
Vulnerability Center: 50362 - Moodle 2.6 - 2.6.6, 2.7 - 2.7.3, 2.8 - 2.8.1 Remote DoS in Multimedia Filter, Low

See also: 🔍

Entryinfo

Created: 06/02/2015 09:57
Updated: 05/19/2022 19:46
Changes: 06/02/2015 09:57 (63), 06/29/2017 07:42 (8), 05/19/2022 19:46 (3)
Complete: 🔍
Cache ID: 216::103

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