Vulnerability Details : CVE-2011-4203
Potential exploit
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.
Products affected by CVE-2011-4203
- cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:1.9.14:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4203
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4203
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-4203
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4203
-
http://penturalabs.wordpress.com/2011/12/13/advisory-crlf-injection-vulnerability-in-moodle/
Advisory: CRLF Injection Vulnerability in Moodle. | Pentura Labs's BlogExploit
-
http://tracker.moodle.org/browse/MDL-24808
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