Vulnerability Name:

CVE-2018-16854 (CCN-153254)

Assigned:2018-11-19
Published:2018-11-19
Updated:2019-10-09
Summary:A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/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): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:N/UI:R/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
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-352
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2018-16854

Source: CONFIRM
Type: Patch, Vendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-63183

Source: CCN
Type: SECTRACK ID: 1042154
Moodle Login Access Control Flaw Lets Remote Users Conduct Cross-Site Request Forgery Attacks

Source: BID
Type: Third Party Advisory, VDB Entry
106017

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1042154

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16854

Source: XF
Type: UNKNOWN
moodle-cve201816854-csrf(153254)

Source: CCN
Type: Moodle Security Advisory MSA-18-0020
Login CSRF vulnerability in login form

Source: CONFIRM
Type: Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=378731

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-16854

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version <= 3.0.10)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.1.0 and < 3.1.15)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.3.0 and < 3.3.9)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.4.0 and < 3.4.6)
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version >= 3.5.0 and < 3.5.3)

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:3.1.0:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.3.0:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.3.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.4.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.3.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:3.1.14:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2018168540000000
    V
    		CVE-2018-16854 on Ubuntu 19.04 (disco) - medium.
    2018-11-26
    oval:com.ubuntu.bionic:def:201816854000
    V
    		CVE-2018-16854 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-26
    oval:com.ubuntu.cosmic:def:2018168540000000
    V
    		CVE-2018-16854 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-26
    oval:com.ubuntu.cosmic:def:201816854000
    V
    		CVE-2018-16854 on Ubuntu 18.10 (cosmic) - medium.
    2018-11-26
    oval:com.ubuntu.bionic:def:2018168540000000
    V
    		CVE-2018-16854 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-11-26
    oval:com.ubuntu.trusty:def:201816854000
    V
    		CVE-2018-16854 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-11-26
    oval:com.ubuntu.xenial:def:2018168540000000
    V
    		CVE-2018-16854 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-26
    oval:com.ubuntu.xenial:def:201816854000
    V
    		CVE-2018-16854 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-11-26
    BACK
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle 3.1.0 -
    moodle moodle 3.3.0
    moodle moodle 3.3.5
    moodle moodle 3.5.0
    moodle moodle 3.5.2
    moodle moodle 3.4.5
    moodle moodle 3.3.8
    moodle moodle 3.1.14