Vulnerability Name:

CVE-2019-3852 (CCN-159482)

Assigned:2019-03-19
Published:2019-03-19
Updated:2020-08-24
Summary:A vulnerability was found in moodle before version 3.6.3. The get_with_capability_join and get_users_by_capability functions were not taking context freezing into account when checking user capabilities
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
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:4.0 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
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-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-3852

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3852

Source: XF
Type: UNKNOWN
moodle-cve20193852-unspecified(159482)

Source: CCN
Type: Moodle Security Advisory MSA-19-0009
get_with_capability_join/get_users_by_capability not aware of context freezing

Source: MISC
Type: Patch, Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=384015#p1547748

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version < 3.6.3)

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:3.6.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201938520000000
    V
    		CVE-2019-3852 on Ubuntu 19.04 (disco) - medium.
    2019-03-26
    oval:com.ubuntu.bionic:def:20193852000
    V
    		CVE-2019-3852 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-03-26
    oval:com.ubuntu.cosmic:def:201938520000000
    V
    		CVE-2019-3852 on Ubuntu 18.10 (cosmic) - medium.
    2019-03-26
    oval:com.ubuntu.cosmic:def:20193852000
    V
    		CVE-2019-3852 on Ubuntu 18.10 (cosmic) - medium.
    2019-03-26
    oval:com.ubuntu.bionic:def:201938520000000
    V
    		CVE-2019-3852 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-03-26
    oval:com.ubuntu.trusty:def:20193852000
    V
    		CVE-2019-3852 on Ubuntu 14.04 LTS (trusty) - medium.
    2019-03-26
    oval:com.ubuntu.xenial:def:201938520000000
    V
    		CVE-2019-3852 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-03-26
    oval:com.ubuntu.xenial:def:20193852000
    V
    		CVE-2019-3852 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-03-26
    BACK
    moodle moodle *
    moodle moodle 3.6.2