Moodle up to 2.2 code injection

Summaryinfo

A vulnerability marked as critical has been reported in Moodle. This vulnerability affects unknown code. The manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2011-4203. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Moodle (Learning Management Software). It has been rated as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is integrity. The summary by CVE is:

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.

The weakness was disclosed 12/22/2011 (Website). The advisory is shared at tracker.moodle.org. The identification of this vulnerability is CVE-2011-4203 since 10/26/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading to version 1.9.3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 1.9
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 2.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.1
• 2.1.1
• 2.1.2
• 2.2

License

• open-source

Website

• Product: https://moodle.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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