CVE-2011-4203

Severity Score

5.0

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

CRLF injection vulnerability in calendar/set.php in the Calendar component in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, 2.1.x before 2.1.3, and 2.2 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via vectors involving the url variable.

Vulnerabilidad de inyección en CRLF en ficheros calendar/set.php en el componente Calendar en Moodle v1.9.x anteriores a v1.9.15, v2.0.x anteriores a v2.0.6, v2.1.x anteriores a v2.1.3, y v2.2 permiten a atacantes remotos injectar cabeceras HTTP de su elección y realizar ataques de división de respuesta HTTP a través de vectores de ataque en los que participa la variable de url.

*Credits: N/A

CVSS Scores

NISTv2 5.0

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-10-26 CVE Reserved
2011-12-22 CVE Published
2024-09-17 CVE Updated
2024-09-17 EPSS Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

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

CAPEC

References (2)

URL	Tag	Source
http://tracker.moodle.org/browse/MDL-24808	X_refsource_misc

URL	Date	SRC
http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle	2024-09-17

URL	Date	SRC

URL	Date	SRC

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"				1.9.1 Search vendor "Moodle" for product "Moodle" and version "1.9.1"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.2 Search vendor "Moodle" for product "Moodle" and version "1.9.2"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.3 Search vendor "Moodle" for product "Moodle" and version "1.9.3"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.4 Search vendor "Moodle" for product "Moodle" and version "1.9.4"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.5 Search vendor "Moodle" for product "Moodle" and version "1.9.5"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.6 Search vendor "Moodle" for product "Moodle" and version "1.9.6"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.7 Search vendor "Moodle" for product "Moodle" and version "1.9.7"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.8 Search vendor "Moodle" for product "Moodle" and version "1.9.8"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.9 Search vendor "Moodle" for product "Moodle" and version "1.9.9"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.10 Search vendor "Moodle" for product "Moodle" and version "1.9.10"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.11 Search vendor "Moodle" for product "Moodle" and version "1.9.11"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.12 Search vendor "Moodle" for product "Moodle" and version "1.9.12"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.13 Search vendor "Moodle" for product "Moodle" and version "1.9.13"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				1.9.14 Search vendor "Moodle" for product "Moodle" and version "1.9.14"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.0.0 Search vendor "Moodle" for product "Moodle" and version "2.0.0"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.0.1 Search vendor "Moodle" for product "Moodle" and version "2.0.1"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.0.2 Search vendor "Moodle" for product "Moodle" and version "2.0.2"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.0.3 Search vendor "Moodle" for product "Moodle" and version "2.0.3"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.0.4 Search vendor "Moodle" for product "Moodle" and version "2.0.4"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.0.5 Search vendor "Moodle" for product "Moodle" and version "2.0.5"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.1.0 Search vendor "Moodle" for product "Moodle" and version "2.1.0"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.1.1 Search vendor "Moodle" for product "Moodle" and version "2.1.1"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.1.2 Search vendor "Moodle" for product "Moodle" and version "2.1.2"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				2.2.0 Search vendor "Moodle" for product "Moodle" and version "2.2.0"		-		Affected