Input validation error in Moodle - CVE-2012-3398
Published: July 24, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43786
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-3398
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote #AU# to perform service disruption.
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. Per: http://cwe.mitre.org/data/definitions/407.html 'CWE-407: Algorithmic Complexity'
Affected software
Moodle
Fedora
moodle
Fedora
moodle
How to mitigate CVE-2012-3398
Install update from vendor's website.
moodle - addressed in versions 1.9.19-1.el5, 1.9.19-2.el5, 1.9.19-3.el5, 2.1.7-1.el6