Vulnerability Name:

CVE-2019-14883 (CCN-178298)

Assigned:2019-08-10
Published:2019-08-10
Updated:2020-10-09
Summary:A vulnerability was found in Moodle 3.6 before 3.6.7 and 3.7 before 3.7.3, where tokens used to fetch inline atachments in email notifications were not disabled when a user's account was no longer active.
Note: to access files, a user would need to know the file path, and their token.
CVSS v3 Severity:5.3 Medium (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 (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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
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:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-862
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-14883

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14883

Source: XF
Type: UNKNOWN
moodle-cve201914883-weak-security(178298)

Source: CCN
Type: Moodle Security Advisory MSA-19-0028
Email media URL tokens were not checking for user status

Source: CONFIRM
Type: Patch, Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=393586#p1586750

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.6.0 and < 3.6.7)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.7.0 and < 3.7.3)

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:3.7.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.6.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    moodle moodle *
    moodle moodle *
    moodle moodle 3.7.0
    moodle moodle 3.7.2
    moodle moodle 3.6.6