CVE-2011-4586: CRLF Injection
First published: Fri Jul 20 2012(Updated: )
CRLF injection vulnerability in calendar/set.php in the Calendar subsystem in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Moodle | =1.9.1 | |
| Moodle | =1.9.2 | |
| Moodle | =1.9.3 | |
| Moodle | =1.9.4 | |
| Moodle | =1.9.5 | |
| Moodle | =1.9.6 | |
| Moodle | =1.9.7 | |
| Moodle | =1.9.8 | |
| Moodle | =1.9.9 | |
| Moodle | =1.9.10 | |
| Moodle | =1.9.11 | |
| Moodle | =1.9.12 | |
| Moodle | =1.9.13 | |
| Moodle | =1.9.14 | |
| Moodle | =2.0.0 | |
| Moodle | =2.0.1 | |
| Moodle | =2.0.2 | |
| Moodle | =2.0.3 | |
| Moodle | =2.0.4 | |
| Moodle | =2.0.5 | |
| Moodle | =2.1.0 | |
| Moodle | =2.1.1 | |
| Moodle | =2.1.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-4586?
CVE-2011-4586 is classified as a high severity vulnerability due to potential exploitation opportunities for HTTP response splitting attacks.
How do I fix CVE-2011-4586?
To mitigate CVE-2011-4586, upgrade your Moodle installation to at least version 1.9.15, 2.0.6, or 2.1.3.
What types of attacks can be conducted with CVE-2011-4586?
CVE-2011-4586 allows remote attackers to perform HTTP response splitting attacks through arbitrary HTTP header injection.
Which versions of Moodle are affected by CVE-2011-4586?
CVE-2011-4586 affects Moodle versions prior to 1.9.15, 2.0.6, and 2.1.3.
How can I check if my Moodle installation is vulnerable to CVE-2011-4586?
Verify your Moodle version to determine if it is below 1.9.15, 2.0.6, or 2.1.3, which indicates vulnerability to CVE-2011-4586.
- agent/type
- agent/references
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/severity
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/moodle
- canonical/moodle
- version/moodle/1.9.1
- version/moodle/1.9.2
- version/moodle/1.9.3
- version/moodle/1.9.4
- version/moodle/1.9.5
- version/moodle/1.9.6
- version/moodle/1.9.7
- version/moodle/1.9.8
- version/moodle/1.9.9
- version/moodle/1.9.10
- version/moodle/1.9.11
- version/moodle/1.9.12
- version/moodle/1.9.13
- version/moodle/1.9.14
- version/moodle/2.0.0
- version/moodle/2.0.1
- version/moodle/2.0.2
- version/moodle/2.0.3
- version/moodle/2.0.4
- version/moodle/2.0.5
- version/moodle/2.1.0
- version/moodle/2.1.1
- version/moodle/2.1.2