Vulnerability CVE-2018-1134

Vulnerability Name:

CVE-2018-1134 (CCN-143874)

Assigned:

2017-12-04

Published:

2018-05-25

Updated:

2019-10-03

Summary:

An issue was discovered in Moodle 3.x. Students who submitted assignments and exported them to portfolios can download any stored Moodle file by changing the download URL.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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): High Integrity (I): None Availibility (A): None

6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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): High 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

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): None Availibility (A): None

Vulnerability Type:

CWE-269

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2018-1134

Source: BID
Type: Third Party Advisory, VDB Entry
104307

Source: CCN
Type: BID-104307
Moodle Multiple Security Vulnerabilities

Source: XF
Type: UNKNOWN
moodle-cve20181134-info-disc(143874)

Source: CCN
Type: Moodle Security Advisory MSA-18-0008
Users can download any file via portfolio assignment caller class

Source: CONFIRM
Type: Patch, Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=371200

Source: CCN
Type: Mend Vulnerability Database
CVE-2018-1134

Vulnerable Configuration:

Configuration 1:

cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.1.0 and <= 3.1.11)

OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.2.0 and <= 3.2.8)

OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.3.0 and <= 3.3.5)

OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.4.0 and <= 3.4.2)

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:3.4.0:-:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.11:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.8:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.3.5:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.4.2:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:201811340000000	V	CVE-2018-1134 on Ubuntu 16.04 LTS (xenial) - medium.	2018-05-25
oval:com.ubuntu.artful:def:20181134000	V	CVE-2018-1134 on Ubuntu 17.10 (artful) - medium.	2018-05-25
oval:com.ubuntu.xenial:def:20181134000	V	CVE-2018-1134 on Ubuntu 16.04 LTS (xenial) - medium.	2018-05-25
oval:com.ubuntu.disco:def:201811340000000	V	CVE-2018-1134 on Ubuntu 19.04 (disco) - medium.	2018-05-25
oval:com.ubuntu.bionic:def:20181134000	V	CVE-2018-1134 on Ubuntu 18.04 LTS (bionic) - medium.	2018-05-25
oval:com.ubuntu.cosmic:def:201811340000000	V	CVE-2018-1134 on Ubuntu 18.10 (cosmic) - medium.	2018-05-25
oval:com.ubuntu.cosmic:def:20181134000	V	CVE-2018-1134 on Ubuntu 18.10 (cosmic) - medium.	2018-05-25
oval:com.ubuntu.bionic:def:201811340000000	V	CVE-2018-1134 on Ubuntu 18.04 LTS (bionic) - medium.	2018-05-25
oval:com.ubuntu.trusty:def:20181134000	V	CVE-2018-1134 on Ubuntu 14.04 LTS (trusty) - medium.	2018-05-25

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