Vulnerability Name:

CVE-2015-5339 (CCN-110890)

Assigned:2015-11-16
Published:2015-11-16
Updated:2020-12-01
Summary:The core_enrol_get_enrolled_users web service in enrol/externallib.php in Moodle through 2.6.11, 2.7.x before 2.7.11, 2.8.x before 2.8.9, and 2.9.x before 2.9.3 does not properly implement group-based access restrictions, which allows remote authenticated users to obtain sensitive course-participant information via a web-service request.
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
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)
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)
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-264
CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2015-5339

Source: CONFIRM
Type: UNKNOWN
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-51861

Source: XF
Type: UNKNOWN
moodle-externallib-cve20155339-info-disc(110890)

Source: CCN
Type: Moodle Security Advisory MSA-15-0043
Web service core_enrol_get_enrolled_users does not respect course group mode

Source: CONFIRM
Type: Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=323234

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-5339

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:2.9.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.0:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version <= 2.6.11)
  • OR cpe:/a:moodle:moodle:2.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.9:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.10:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:2.6.10:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.10:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.11:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201553390000000
    V
    		CVE-2015-5339 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-02-22
    oval:com.ubuntu.artful:def:20155339000
    V
    		CVE-2015-5339 on Ubuntu 17.10 (artful) - medium.
    2016-02-22
    oval:com.ubuntu.trusty:def:20155339000
    V
    		CVE-2015-5339 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-02-22
    oval:com.ubuntu.xenial:def:201553390000000
    V
    		CVE-2015-5339 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-02-22
    oval:com.ubuntu.bionic:def:20155339000
    V
    		CVE-2015-5339 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-02-22
    oval:com.ubuntu.xenial:def:20155339000
    V
    		CVE-2015-5339 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-02-22
    oval:com.ubuntu.disco:def:201553390000000
    V
    		CVE-2015-5339 on Ubuntu 19.04 (disco) - medium.
    2016-02-22
    oval:com.ubuntu.cosmic:def:20155339000
    V
    		CVE-2015-5339 on Ubuntu 18.10 (cosmic) - medium.
    2016-02-22
    oval:com.ubuntu.cosmic:def:201553390000000
    V
    		CVE-2015-5339 on Ubuntu 18.10 (cosmic) - medium.
    2016-02-22
    oval:com.ubuntu.precise:def:20155339000
    V
    		CVE-2015-5339 on Ubuntu 12.04 LTS (precise) - medium.
    2016-02-22
    BACK
    moodle moodle 2.9.0
    moodle moodle 2.8.7
    moodle moodle 2.8.6
    moodle moodle 2.8.5
    moodle moodle 2.7.2
    moodle moodle 2.7.1
    moodle moodle 2.7.0
    moodle moodle *
    moodle moodle 2.8.0
    moodle moodle 2.7.9
    moodle moodle 2.7.8
    moodle moodle 2.7.7
    moodle moodle 2.8.8
    moodle moodle 2.9.1
    moodle moodle 2.8.4
    moodle moodle 2.8.2
    moodle moodle 2.7.5
    moodle moodle 2.7.3
    moodle moodle 2.7.10
    moodle moodle 2.9.2
    moodle moodle 2.8.3
    moodle moodle 2.8.1
    moodle moodle 2.7.6
    moodle moodle 2.7.4
    moodle moodle 2.6.10
    moodle moodle 2.7.10
    moodle moodle 2.8.8
    moodle moodle 2.9.2
    moodle moodle 2.6.11