Vulnerability CVE-2017-2645

Vulnerability Name:

CVE-2017-2645 (CCN-123747)

Assigned:

2016-12-01

Published:

2017-03-20

Updated:

2017-07-12

Summary:

In Moodle 3.x, XSS can occur via attachments to evidence of prior learning.

CVSS v3 Severity:

6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

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

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

Vulnerability Type:

CWE-79

Vulnerability Consequences:

Cross-Site Scripting

References:

Source: MITRE
Type: CNA
CVE-2017-2645

Source: BID
Type: Third Party Advisory, VDB Entry
96982

Source: CCN
Type: BID-96982
Moodle CVE-2017-2645 HTML Injection Vulnerability

Source: SECTRACK
Type: UNKNOWN
1038174

Source: XF
Type: UNKNOWN
moodle-cve20172645-xss(123747)

Source: CCN
Type: Moodle Web site
Moodle - Open-source learning platform | Moodle.org

Source: CCN
Type: Moodle Security Advisory MSA-17-0009
XSS in attachments to evidence of prior learning

Source: CONFIRM
Type: Patch, Third Party Advisory
https://moodle.org/mod/forum/discuss.php?d=349422

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-2645

Vulnerable Configuration:

Configuration 1:

cpe:/a:moodle:moodle:3.1:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.0:beta:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.0:rc1:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.0:rc2:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.1:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.2:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.3:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.4:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.0:beta:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.0:rc1:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.0:rc2:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.0:rc3:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.0:rc4:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.0:rc5:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.1:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:moodle:moodle:3.1.2:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.3:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.0:-:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.0:-:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.2.1:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.1:*:*:*:*:*:*:*

OR cpe:/a:moodle:moodle:3.1.4:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201726450000000	V	CVE-2017-2645 on Ubuntu 18.04 LTS (bionic) - medium.	2017-03-26
oval:com.ubuntu.artful:def:20172645000	V	CVE-2017-2645 on Ubuntu 17.10 (artful) - medium.	2017-03-26
oval:com.ubuntu.trusty:def:20172645000	V	CVE-2017-2645 on Ubuntu 14.04 LTS (trusty) - medium.	2017-03-26
oval:com.ubuntu.xenial:def:201726450000000	V	CVE-2017-2645 on Ubuntu 16.04 LTS (xenial) - medium.	2017-03-26
oval:com.ubuntu.bionic:def:20172645000	V	CVE-2017-2645 on Ubuntu 18.04 LTS (bionic) - medium.	2017-03-26
oval:com.ubuntu.xenial:def:20172645000	V	CVE-2017-2645 on Ubuntu 16.04 LTS (xenial) - medium.	2017-03-26
oval:com.ubuntu.cosmic:def:20172645000	V	CVE-2017-2645 on Ubuntu 18.10 (cosmic) - medium.	2017-03-26
oval:com.ubuntu.cosmic:def:201726450000000	V	CVE-2017-2645 on Ubuntu 18.10 (cosmic) - medium.	2017-03-26
oval:com.ubuntu.precise:def:20172645000	V	CVE-2017-2645 on Ubuntu 12.04 LTS (precise) - medium.	2017-03-26

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