Vulnerability Name:

CVE-2019-10189 (CCN-167530)

Assigned:2019-07-16
Published:2019-07-16
Updated:2020-10-01
Summary:A flaw was found in moodle before versions 3.7.1, 3.6.5, 3.5.7. Teachers in an assignment group could modify group overrides for other groups in the same assignment.
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
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:N/I:L/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:N/I:L/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2019-10189

Source: BID
Type: Third Party Advisory, VDB Entry
109271

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10189

Source: XF
Type: UNKNOWN
moodle-cve201910189-sec-bypass(167530)

Source: CCN
Type: Moodle Security Advisory MSA-19-0016
Assignment group overrides did not observe separate groups mode

Source: CONFIRM
Type: Patch, Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=388570

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version < 3.5.7)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.6.0 and < 3.6.5)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.7.0 and < 3.7.1)

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:3.7.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.6.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.5.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:2019101890000000
    V
    		CVE-2019-10189 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-07-31
    oval:com.ubuntu.xenial:def:2019101890000000
    V
    		CVE-2019-10189 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-07-31
    oval:com.ubuntu.disco:def:2019101890000000
    V
    		CVE-2019-10189 on Ubuntu 19.04 (disco) - medium.
    2019-07-31
    BACK
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle 3.7.0
    moodle moodle 3.6.4
    moodle moodle 3.5.6