National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-7831 Detail

Current Description

lib/classes/grades_external.php in Moodle 2.7.x before 2.7.3 does not consider the moodle/grade:viewhidden capability before displaying hidden grades, which allows remote authenticated users to obtain sensitive information by leveraging the student role to access the get_grades web service.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.0 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766
http://openwall.com/lists/oss-security/2014/11/17/11
http://www.securitytracker.com/id/1031215
https://moodle.org/mod/forum/discuss.php?d=275153 Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.4.11
 cpe:2.3:a:moodle:moodle:2.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.5.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.6.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.6.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.6.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.6.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-7831
NVD Published Date:
11/24/2014
NVD Last Modified:
09/08/2015