Moodle up to 2.2.3 Search Feature algorithmic complexity

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4.1	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Moodle. This affects an unknown function of the component Search Feature. This manipulation causes algorithmic complexity. The identification of this vulnerability is CVE-2012-3398. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Moodle (Learning Management Software). Affected by this vulnerability is some unknown functionality of the component Search Feature. The manipulation with an unknown input leads to a algorithmic complexity vulnerability. The CWE definition for the vulnerability is CWE-407. An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached. As an impact it is known to affect availability. The summary by CVE is:

Algorithmic complexity vulnerability in Moodle 1.9.x before 1.9.19, 2.0.x before 2.0.10, 2.1.x before 2.1.7, and 2.2.x before 2.2.4 allows remote authenticated users to cause a denial of service (CPU consumption) by using the advanced-search feature on a database activity that has many records.

The weakness was shared 07/23/2012 by Daniel Compton (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2012-3398 since 06/14/2012. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is required for exploitation. The technical details are unknown and an exploit is not publicly available.

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 1.9.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (76964), Tenable (61385), SecurityFocus (BID 54481†) and Vulnerability Center (SBV-35811†). The entries VDB-61398, VDB-61397, VDB-61396 and VDB-61395 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 1.9
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18
• 2.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.1
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.1.6
• 2.2
• 2.2.1
• 2.2.2
• 2.2.3

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: Algorithmic complexity
CWE: CWE-407 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

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 1.9.3

Timelineinfo

06/14/2012 🔍
07/17/2012 +33 days 🔍
07/23/2012 +6 days 🔍
07/23/2012 +0 days 🔍
07/23/2012 +0 days 🔍
08/07/2012 +15 days 🔍
03/23/2015 +958 days 🔍
12/07/2021 +2450 days 🔍

Sourcesinfo

Product: moodle.org

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

CVE: CVE-2012-3398 (🔍)
GCVE (CVE): GCVE-0-2012-3398
GCVE (VulDB): GCVE-100-61399
X-Force: 76964
SecurityFocus: 54481 - Moodle Multiple Security Vulnerabilities
Secunia: 49890
Vulnerability Center: 35811 - Moodle Algorithmic Complexity Vulnerability Allows Remote DoS by Using Advanced-Search Feature, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/07/2021 00:03
Changes: 03/23/2015 16:50 (58), 04/15/2017 16:18 (12), 12/06/2021 23:48 (3), 12/07/2021 00:03 (1)
Complete: 🔍
Cache ID: 216:AE1:103

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

Discussion

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