CWE
20
Advisory Published
Updated

CVE-2011-4302: Input Validation

First published: Wed Jul 11 2012(Updated: )

mnet/xmlrpc/client.php in MNET in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not properly process the return value of the openssl_verify function, which allows remote attackers to bypass validation via a crafted certificate.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Moodle=2.0.2
Moodle=1.9.4
Moodle=1.9.6
Moodle=1.9.9
Moodle=2.0.1
Moodle=1.9.11
Moodle=2.0.4
Moodle=1.9.2
Moodle=1.9.12
Moodle=1.9.10
Moodle=2.0.3
Moodle=2.1.1
Moodle=1.9.3
Moodle=1.9.13
Moodle=1.9.5
Moodle=1.9.8
Moodle=1.9.7
Moodle=2.0.0
Moodle=2.1.0

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Frequently Asked Questions

  • What is the severity of CVE-2011-4302?

    CVE-2011-4302 has a moderate severity rating as it allows remote attackers to bypass certificate validation.

  • How do I fix CVE-2011-4302?

    To fix CVE-2011-4302, you should upgrade to Moodle version 1.9.14, 2.0.5, or 2.1.2 or later.

  • What versions of Moodle are affected by CVE-2011-4302?

    CVE-2011-4302 affects Moodle versions 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2.

  • What type of attack can exploit CVE-2011-4302?

    CVE-2011-4302 can be exploited by attackers who use a crafted certificate to bypass Openssl verification.

  • Is CVE-2011-4302 specific to certain operating systems?

    CVE-2011-4302 is specific to Moodle installations and is not limited to a particular operating system.

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