76687 : Moodle MNET Feature openssl_verify() Function SSL Certificate Verification Bypass
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Timeline

Disclosure Date
2011-10-18

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2011-4302" target="_blank">CVE</a>)</em> : 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.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 1.9.14 or higher, 2.0.5 or higher, or 2.1.2 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

CVE ID: 2011-4302 (see also: NVD)
Secunia Advisory ID: 46427 46727 46966
Bugtraq ID: 50283
Related OSVDB ID: 76682 76683 76684 76685 76686 76688 76689 76690 76691 76692 76693 76694 76695 76696
Vendor Specific News/Changelog Entry: http://git.moodle.org/gw?p=moodle.git;a=commit;h=54941685e3e86ec085641dcb7ebb1f96f06735b2
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/069438.html
http://www.debian.org/security/2011/dsa-2338
https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=747444
Vendor URL: http://moodle.org/
Other Advisory URL: http://moodle.org/mod/forum/discuss.php?d=188314

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 6.8
Source: nvd.nist.gov | Generated: 2012-07-11 | Disagree?

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