Detections
Analytics
Moodle 3.9.x < 3.9.4 Multiple Vulnerabilities
high Web App Scanning Plugin ID 113632
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Synopsis
Moodle 3.9.x < 3.9.4 Multiple VulnerabilitiesDescription
The version of Moodle installed on the remote host is 3.5.x prior to 3.5.16, 3.8.x prior to 3.8.7, 3.9.x prior to 3.9.4 or 3.10.x prior to 3.10.1. It is, therefore, affected by multiple vulnerabilities:- A client-side Denial of Service (DoS) attack due to the lack of character limit when sending messages. (CVE-2021-20185)
- A stored Cross-Site Scripting vulnerability due to the lack of sanitization of TeX content when the TeX notation filter is enabled. (CVE-2021-20186)
- An arbitrary PHP code execution by site administrators via a PHP include used during Shibboleth authentication. (CVE-2021-20187)
- An information disclosure in grade related web services, allowing students to view other students grades. (CVE-2021-20184)
- A Cross-Site Scripting (XSS) vulnerability due to the lack of input sanitization on the search template inputs. (CVE-2021-20183)
Note that the scanner has not attempted to exploit this issue but has instead relied only on application's self-reported version number.
Solution
Upgrade to version 3.9.4 or later.See Also
https://moodle.org/mod/forum/discuss.php?d=417166#p1680837
https://moodle.org/mod/forum/discuss.php?d=417167#p1680839
https://moodle.org/mod/forum/discuss.php?d=417168#p1680841
Plugin Details
Severity: High
ID: 113632
Type: remote
Family: Component Vulnerability
Published: 2/20/2023
Updated: 3/14/2023
Scan Template: basic, full, pci, scan
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: Medium
Base Score: 6.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS Score Source: CVE-2021-20187
CVSS v3
Risk Factor: High
Base Score: 7.2
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score Source: CVE-2021-20187
Vulnerability Information
CPE: cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Exploit Ease: No known exploits are available
Patch Publication Date: 1/25/2021
Vulnerability Publication Date: 1/25/2021
Reference Information
CVE: CVE-2021-20183, CVE-2021-20184, CVE-2021-20185, CVE-2021-20186, CVE-2021-20187
CWE: 354, 400, 770, 79, 829, 94
OWASP: 2010-A1, 2010-A2, 2010-A6, 2013-A1, 2013-A3, 2013-A5, 2013-A9, 2017-A1, 2017-A6, 2017-A7, 2017-A9, 2021-A3, 2021-A6, 2021-A8
WASC: Application Misconfiguration, Cross-Site Scripting, Denial of Service, OS Commanding
CAPEC: 125, 130, 147, 175, 197, 201, 209, 228, 229, 230, 231, 242, 251, 252, 253, 263, 35, 469, 482, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 528, 549, 588, 591, 592, 63, 660, 77, 85
DISA STIG: APSC-DV-002400, APSC-DV-002490, APSC-DV-002510, APSC-DV-002630
HIPAA: 164.306(a)(1), 164.306(a)(2)
ISO: 27001-A.12.6.1, 27001-A.14.2.5
NIST: sp800_53-CM-6b, sp800_53-SC-5, sp800_53-SI-10, sp800_53-SI-10(5)
OWASP API: 2019-API7, 2019-API8, 2023-API8
OWASP ASVS: 4.0.2-12.3.6, 4.0.2-14.2.1, 4.0.2-5.2.5, 4.0.2-5.3.3