CVE-2023-35133

Moodle: ssrf risk due to insufficient check on the curl blocked hosts

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

An issue in the logic used to check 0.0.0.0 against the cURL blocked hosts lists resulted in an SSRF risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21 and earlier unsupported versions.

*Credits: N/A

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2023-06-13 CVE Reserved
2023-06-22 CVE Published
2024-07-24 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-918: Server-Side Request Forgery (SSRF)

CAPEC

References (4)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=2214373	Issue Tracking

URL	Date	SRC

URL	Date	SRC
https://moodle.org/mod/forum/discuss.php?d=447831	2024-04-19

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC	2024-04-19
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT	2024-04-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				< 3.9.22 Search vendor "Moodle" for product "Moodle" and version " < 3.9.22"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.11.0 < 3.11.15 Search vendor "Moodle" for product "Moodle" and version " >= 3.11.0 < 3.11.15"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 4.0.0 < 4.0.9 Search vendor "Moodle" for product "Moodle" and version " >= 4.0.0 < 4.0.9"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 4.1.0 < 4.1.4 Search vendor "Moodle" for product "Moodle" and version " >= 4.1.0 < 4.1.4"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				4.2.0 Search vendor "Moodle" for product "Moodle" and version "4.2.0"		-		Affected