Vulnerability Name:

CVE-2018-1133 (CCN-143872)

Assigned:2017-12-04
Published:2018-05-25
Updated:2020-08-24
Summary:An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/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): High
Availibility (A): High
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/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): Low
Availibility (A): Low
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-94
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-1133

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

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

Source: XF
Type: UNKNOWN
moodle-cve20181133-code-exec(143872)

Source: CCN
Type: Moodle Security Advisory MSA-18-0007
Calculated question type allows remote code execution by Question authors

Source: CONFIRM
Type: Patch, Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=371199

Source: CCN
Type: Packet Storm Security [03-15-2019]
Moodle 3.4.1 Remote Code Execution

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [03-15-2019]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
46551

Source: CCN
Type: Mend Vulnerability Database
CVE-2018-1133

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 IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201811330000000
    V
    		CVE-2018-1133 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-25
    oval:com.ubuntu.artful:def:20181133000
    V
    		CVE-2018-1133 on Ubuntu 17.10 (artful) - medium.
    2018-05-25
    oval:com.ubuntu.xenial:def:20181133000
    V
    		CVE-2018-1133 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-25
    oval:com.ubuntu.disco:def:201811330000000
    V
    		CVE-2018-1133 on Ubuntu 19.04 (disco) - medium.
    2018-05-25
    oval:com.ubuntu.bionic:def:20181133000
    V
    		CVE-2018-1133 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-25
    oval:com.ubuntu.cosmic:def:201811330000000
    V
    		CVE-2018-1133 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-25
    oval:com.ubuntu.cosmic:def:20181133000
    V
    		CVE-2018-1133 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-25
    oval:com.ubuntu.bionic:def:201811330000000
    V
    		CVE-2018-1133 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-25
    oval:com.ubuntu.trusty:def:20181133000
    V
    		CVE-2018-1133 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-05-25
    BACK
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle *
    moodle moodle 3.1.0 -
    moodle moodle 3.2.0 -
    moodle moodle 3.3.0
    moodle moodle 3.4.0 -
    moodle moodle 3.1.11
    moodle moodle 3.2.8
    moodle moodle 3.3.5
    moodle moodle 3.4.2