National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-4587 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e079e82c087becf06d902089d14f3f76686bde19 Patch
http://moodle.org/mod/forum/discuss.php?d=191755 Vendor Advisory
http://www.debian.org/security/2012/dsa-2421
https://bugzilla.redhat.com/show_bug.cgi?id=761248

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:moodle:moodle:1.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:1.9.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-4587
NVD Published Date:
07/20/2012
NVD Last Modified:
12/21/2017