Multiple vulnerabilities in Moodle

Published: 2013-07-29 | Updated: 2023-01-16

Risk	Medium
Patch available	YES
Number of vulnerabilities	6
CVE-ID	CVE-2013-2242 CVE-2013-2243 CVE-2013-2244 CVE-2013-2245 CVE-2013-2246 CVE-2013-4938
CWE-ID	CWE-264 CWE-200 CWE-79 CWE-287
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 6 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU42701

Risk: Low

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

CVE-ID: CVE-2013-2242

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

Exploit availability: No

Description

The vulnerability allows a remote #AU# to gain access to sensitive information.

mod/chat/gui_sockets/index.php in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, and 2.5.x before 2.5.1 does not consider the mod/chat:chat capability before authorizing daemon-mode chat, which allows remote authenticated users to bypass intended access restrictions via an HTTP session to a chat server.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 2.1 - 2.5

CPE2.3

External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-39628
https://moodle.org/mod/forum/discuss.php?d=232498

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.

2) Information disclosure

EUVDB-ID: #VU42702

Risk: Low

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

CVE-ID: CVE-2013-2243

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote #AU# to gain access to sensitive information.

mod/lesson/pagetypes/matching.php in Moodle through 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, and 2.5.x before 2.5.1 allows remote authenticated users to obtain sensitive answer information by reading the HTML source code of a document.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 2.1 - 2.5

CPE2.3

External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-39546
https://moodle.org/mod/forum/discuss.php?d=232500

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) Cross-site scripting

EUVDB-ID: #VU42703

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-2244

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

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in lib/conditionlib.php in Moodle 2.4.x before 2.4.5 and 2.5.x before 2.5.1 when processing the conditional access rule value of a user field. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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 update from vendor's website.

Vulnerable software versions

Moodle: 2.4 - 2.5

CPE2.3

External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37516
https://moodle.org/mod/forum/discuss.php?d=232501

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) Improper Authentication

EUVDB-ID: #VU42704

Risk: Low

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

CVE-ID: CVE-2013-2245

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote #AU# to gain access to sensitive information.

rss/file.php in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, and 2.5.x before 2.5.1 does not properly implement the use of RSS tokens for impersonation, which allows remote authenticated users to obtain sensitive block information by reading an RSS feed.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 2.1 - 2.5

CPE2.3

External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-37818
https://moodle.org/mod/forum/discuss.php?d=232502

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.

5) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU42705

Risk: Low

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

CVE-ID: CVE-2013-2246

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

Exploit availability: No

Description

The vulnerability allows a remote #AU# to gain access to sensitive information.

mod/feedback/lib.php in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, and 2.5.x before 2.5.1 does not consider the mod/feedback:view capability before displaying recent feedback, which allows remote authenticated users to obtain sensitive information via a request for all course feedback that has occurred since a specified time.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 2.1 - 2.5

CPE2.3

External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-39570
https://moodle.org/mod/forum/discuss.php?d=232503

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.

6) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU42706

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-4938

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

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The LTI (aka IMS-LTI) mod_form implementation in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, and 2.5.x before 2.5.1 does not properly support the sendname, sendemailaddr, and acceptgrades settings, which allows remote attackers to obtain sensitive information in opportunistic circumstances by leveraging an environment in which there was an ineffective attempt to enable the more secure values.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Moodle: 2.1 - 2.5

CPE2.3

External links

https://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-40308
https://moodle.org/mod/forum/discuss.php?d=232497

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.