Multiple vulnerabilities in moodle Moodle



| Updated: 2020-07-17
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-14631
CVE-2018-14630
CWE-ID CWE-79
CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Moodle
Web applications / Other software

Vendor moodle.org

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU31205

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14631

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search results of a blog were insufficiently filtered, which could result in reflected XSS if a user followed a malicious link containing JavaScript in the search parameter.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 3.5.0 beta - 3.5.1

CPE2.3 External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62857
https://www.securityfocus.com/bid/105371
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14631
https://moodle.org/mod/forum/discuss.php?d=376025


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Code Injection

EUVDB-ID: #VU31206

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-14630

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

moodle before versions 3.5.2, 3.4.5, 3.3.8, 3.1.14 is vulnerable to an XML import of ddwtos could lead to intentional remote code execution. When importing legacy 'drag and drop into text' (ddwtos) type quiz questions, it was possible to inject and execute PHP code from within the imported questions, either intentionally or by importing questions from an untrusted source.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 3.5.0 beta - 3.5.1

CPE2.3
External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-62880
https://www.securityfocus.com/bid/105354
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14630
https://moodle.org/mod/forum/discuss.php?d=376023
https://seclists.org/fulldisclosure/2018/Sep/28
https://www.sec-consult.com/en/blog/advisories/remote-code-execution-php-unserialize-moodle-open-source-learning-platform-cve-2018-14630/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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