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Moodle CRLF Injection Vulnerability in Calendar Component

Moderate severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jan 17, 2024

Package

composer moodle/moodle (Composer)

Affected versions

< 1.9.15
>= 2.0, < 2.0.6
>= 2.1, < 2.1.3

Patched versions

1.9.15
2.0.6
2.1.3

Description

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.

References

Published by the National Vulnerability Database Dec 22, 2011
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jan 17, 2024
Last updated Jan 17, 2024

Severity

Moderate

EPSS score

0.179%
(56th percentile)

CVE ID

CVE-2011-4203

GHSA ID

GHSA-4w8m-96v9-2c86

Source code

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