National Cyber Awareness System
Vulnerability Summary for CVE-2011-4203
Original release date:12/22/2011
Last revised:01/12/2012
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: http://tracker.moodle.org/browse/MDL-24808
External Source: MISC
Name: http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle/
