Vulnerability CVE-2020-9386

Vulnerability Name:

CVE-2020-9386 (CCN-177383)

Assigned:

2020-03-04

Published:

2020-03-04

Updated:

2022-10-07

Summary:

In Mahara 18.10 before 18.10.5, 19.04 before 19.04.4, and 19.10 before 19.10.2, file metadata information is disclosed to group members in the Elasticsearch result list despite them not having access to that artefact anymore.

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-200

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2020-9386

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://bugs.launchpad.net/mahara/+bug/1840201

Source: XF
Type: UNKNOWN
mahara-cve20209386-info-disc(177383)

Source: CCN
Type: Mahara Web site
Home - Mahara ePortfolio System

Source: CCN
Type: Mahara Web site
Security issue relating to incorrect access control in Elasticsearch results <18.10.5, <19.04.4, <19.10.2

Source: CONFIRM
Type: Vendor Advisory
https://mahara.org/interaction/forum/topic.php?id=8589

Vulnerable Configuration:

Configuration 1:

cpe:/a:mahara:mahara:*:*:*:*:*:*:*:* (Version >= 18.10.0 and < 18.10.5)

OR cpe:/a:mahara:mahara:*:*:*:*:*:*:*:* (Version >= 19.04.0 and < 19.04.4)

OR cpe:/a:mahara:mahara:*:*:*:*:*:*:*:* (Version >= 19.10.0 and < 19.10.2)

Configuration CCN 1:

cpe:/a:mahara:mahara:*:*:*:*:*:*:*:*

Denotes that component is vulnerable

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