CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.1 | $0-$5k | 0.00 |
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) and Tenable (61385). The entries 61398, 61397, 61396 and 61395 are related to this item.
Product
Type
Name
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
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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: 🔍
Exploiting
Class: Algorithmic complexityCWE: CWE-407 / CWE-404
ATT&CK: T1499
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Moodle 1.9.3
Timeline
06/14/2012 🔍07/17/2012 🔍
07/23/2012 🔍
07/23/2012 🔍
07/23/2012 🔍
08/07/2012 🔍
03/23/2015 🔍
12/07/2021 🔍
Sources
Product: moodle.orgAdvisory: openwall.com
Researcher: Daniel Compton
Status: Not defined
Confirmation: 🔍
CVE: CVE-2012-3398 (🔍)
X-Force: 76964
Vulnerability Center: 35811 - Moodle Algorithmic Complexity Vulnerability Allows Remote DoS by Using Advanced-Search Feature, Medium
SecurityFocus: 54481 - Moodle Multiple Security Vulnerabilities
Secunia: 49890
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 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: 🔍
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