Vulnerability Name:

CVE-2014-7831 (CCN-98718)

Assigned:2014-11-17
Published:2014-11-17
Updated:2020-12-01
Summary: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.
CVSS v3 Severity:3.5 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
3.0 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
3.0 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2014-7831

Source: CONFIRM
Type: UNKNOWN
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766

Source: MLIST
Type: UNKNOWN
[oss-security] 20141117 Moodle security issues are now public

Source: CCN
Type: BID-71123
Moodle 'core_grades_get_grades' Information Disclosure Vulnerability

Source: SECTRACK
Type: UNKNOWN
1031215

Source: XF
Type: UNKNOWN
moodle-cve20147831-info-disc(98718)

Source: CONFIRM
Type: Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=275153

Source: CCN
Type: Moodle Security Advisory MSA-14-0038
Hidden grade information exposed by web services

Source: CCN
Type: Moodle Web site
Multiple Moodle Vulnerabilities

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-7831

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:2.5.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version <= 2.4.11)
  • OR cpe:/a:moodle:moodle:2.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.0:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:2.7.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201478310000000
    V
    		CVE-2014-7831 on Ubuntu 18.04 LTS (bionic) - medium.
    2014-11-24
    oval:com.ubuntu.artful:def:20147831000
    V
    		CVE-2014-7831 on Ubuntu 17.10 (artful) - medium.
    2014-11-24
    oval:com.ubuntu.trusty:def:20147831000
    V
    		CVE-2014-7831 on Ubuntu 14.04 LTS (trusty) - medium.
    2014-11-24
    oval:com.ubuntu.xenial:def:201478310000000
    V
    		CVE-2014-7831 on Ubuntu 16.04 LTS (xenial) - medium.
    2014-11-24
    oval:com.ubuntu.bionic:def:20147831000
    V
    		CVE-2014-7831 on Ubuntu 18.04 LTS (bionic) - medium.
    2014-11-24
    oval:com.ubuntu.xenial:def:20147831000
    V
    		CVE-2014-7831 on Ubuntu 16.04 LTS (xenial) - medium.
    2014-11-24
    oval:com.ubuntu.disco:def:201478310000000
    V
    		CVE-2014-7831 on Ubuntu 19.04 (disco) - medium.
    2014-11-24
    oval:com.ubuntu.cosmic:def:20147831000
    V
    		CVE-2014-7831 on Ubuntu 18.10 (cosmic) - medium.
    2014-11-24
    oval:com.ubuntu.cosmic:def:201478310000000
    V
    		CVE-2014-7831 on Ubuntu 18.10 (cosmic) - medium.
    2014-11-24
    oval:com.ubuntu.precise:def:20147831000
    V
    		CVE-2014-7831 on Ubuntu 12.04 LTS (precise) - medium.
    2014-11-24
    BACK
    moodle moodle 2.5.7
    moodle moodle 2.5.6
    moodle moodle 2.5.5
    moodle moodle 2.5.4
    moodle moodle 2.7.2
    moodle moodle 2.6.0
    moodle moodle 2.6.1
    moodle moodle 2.6.2
    moodle moodle 2.6.3
    moodle moodle *
    moodle moodle 2.5.2
    moodle moodle 2.5.0
    moodle moodle 2.6.4
    moodle moodle 2.7.0
    moodle moodle 2.5.8
    moodle moodle 2.5.3
    moodle moodle 2.5.1
    moodle moodle 2.6.5
    moodle moodle 2.7.1
    moodle moodle 2.7.0 -