Vulnerability Name:

CVE-2017-15110 (CCN-135195)

Assigned:2017-11-20
Published:2017-11-20
Updated:2017-12-06
Summary:In Moodle 3.x, students can find out email addresses of other students in the same course. Using search on the Participants page, students could search email addresses of all participants regardless of email visibility. This allows enumerating and guessing emails of other students.
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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/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): None
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
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
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-2017-15110

Source: BID
Type: Third Party Advisory, VDB Entry
101909

Source: CCN
Type: BID-101909
Moodle CVE-2017-15110 Information Disclosure Vulnerability

Source: XF
Type: UNKNOWN
moodle-cve201715110-info-disc(135195)

Source: CCN
Type: Moodle Security Advisory MSA-17-0021
Students can find out email addresses of other students in the same course

Source: CONFIRM
Type: Issue Tracking, Mitigation, Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=361784

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-15110

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version <= 3.0.10)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.1 and <= 3.1.8)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.2 and <= 3.2.5)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.3 and <= 3.3.2)

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:3.1.0:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.2.0:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.3.0:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.3.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.2.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.1.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:201715110000
    V
    		CVE-2017-15110 on Ubuntu 17.10 (artful) - medium.
    2017-11-20
    oval:com.ubuntu.trusty:def:201715110000
    V
    		CVE-2017-15110 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-11-20
    oval:com.ubuntu.xenial:def:201715110000
    V
    		CVE-2017-15110 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-20
    oval:com.ubuntu.xenial:def:2017151100000000
    V
    		CVE-2017-15110 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-20
    BACK
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle 3.1.0 -
    moodle moodle 3.2.0 -
    moodle moodle 3.3.0
    moodle moodle 3.3.2
    moodle moodle 3.2.5
    moodle moodle 3.1.8