Multiple vulnerabilities in Moodle



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2022-40316
CVE-2022-40315
CVE-2022-40314
CVE-2022-40313
CWE-ID CWE-264
CWE-89
CWE-502
CWE-79
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 4 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU67471

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40316

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to the H5P activity attempts report does not respect group permissions when displaying information to non-editing teachers about attempts/users in groups they should not have access to. A remote user can gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.9.0 - 4.0.3

CPE2.3 External links

http://moodle.org/mod/forum/discuss.php?d=438395
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-71662
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-72012


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.

2) SQL injection

EUVDB-ID: #VU67470

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40315

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "browse list of users" site administration page. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.9.0 - 4.0.3

CPE2.3 External links

http://moodle.org/mod/forum/discuss.php?d=438394
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-75283


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

3) Deserialization of Untrusted Data

EUVDB-ID: #VU67469

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40314

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when restoring backup files originating from Moodle. A remote attacker can trick the victim into restoring the website from a malformed backup and execute arbitrary code on the target system.


Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.9.0 - 4.0.3

CPE2.3 External links

http://moodle.org/mod/forum/discuss.php?d=438393
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-75405


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.

4) Cross-site scripting

EUVDB-ID: #VU67468

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40313

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

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within Mustache template helpers. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.9.0 - 4.0.3

CPE2.3 External links

http://moodle.org/mod/forum/discuss.php?d=438392
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-68066


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.



###SIDEBAR###