National Vulnerability Database (NVD) National Vulnerability Database (CVE-2011-4587)

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NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).

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NVD contains:

CVE Vulnerabilities: 56393
Checklists: 226
US-CERT Alerts: 246
US-CERT Vuln Notes: 2721
OVAL Queries: 8140
CPE Names: 73033

Last updated: Tue May 21 15:29:28 EDT 2013

CVE Publication rate: 12.33

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Vulnerability Workload Index: 6.21

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NIST Security Configuration Checklists - CSD

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Vulnerability Summary for CVE-2011-4587

Original release date:07/20/2012

Last revised:07/20/2012

Source: US-CERT/NIST

Overview

lib/moodlelib.php in Moodle 1.9.x before 1.9.15, 2.0.x before 2.0.6, and 2.1.x before 2.1.3 does not properly handle certain zero values in the password policy, which makes it easier for remote attackers to obtain access by leveraging the possible existence of user accounts that have unchangeable blank passwords.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 8.6

CVSS Version 2 Metrics:

Access Vector: Network exploitable

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: CONFIRM

Name: http://git.moodle.org/gw?p=moodle.git;a=commit;h=e079e82c087becf06d902089d14f3f76686bde19

Type: Patch Information

Hyperlink:http://git.moodle.org/gw?p=moodle.git;a=commit;h=e079e82c087becf06d902089d14f3f76686bde19

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=761248

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=761248

External Source: CONFIRM

Name: http://moodle.org/mod/forum/discuss.php?d=191755

Type: Advisory

Hyperlink:http://moodle.org/mod/forum/discuss.php?d=191755