Vulnerability Name:

CVE-2015-5272 (CCN-106487)

Assigned:2015-09-21
Published:2015-09-21
Updated:2020-12-01
Summary:The Forum module in Moodle 2.7.x before 2.7.10 allows remote authenticated users to post to arbitrary groups by leveraging the teacher role, as demonstrated by a post directed to "all participants."
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
5.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N)
5.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.0 Medium (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
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-264
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2015-5272

Source: CONFIRM
Type: UNKNOWN
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50576

Source: MLIST
Type: UNKNOWN
[oss-security] 20150921 Moodle security release

Source: SECTRACK
Type: UNKNOWN
1033619

Source: XF
Type: UNKNOWN
moodle-cve20155272-sec-bypass(106487)

Source: CONFIRM
Type: Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=320288

Source: CCN
Type: Moodle Security Advisory MSA-15-0031
Teacher in forum can still post to "all participants" and groups they are not members of

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-5272

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:2.7.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.9:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.0:-:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:moodle:moodle:2.7.9:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201552720000000
    V
    CVE-2015-5272 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-02-22
    oval:com.ubuntu.artful:def:20155272000
    V
    CVE-2015-5272 on Ubuntu 17.10 (artful) - medium.
    2016-02-22
    oval:com.ubuntu.trusty:def:20155272000
    V
    CVE-2015-5272 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-02-22
    oval:com.ubuntu.xenial:def:201552720000000
    V
    CVE-2015-5272 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-02-22
    oval:com.ubuntu.bionic:def:20155272000
    V
    CVE-2015-5272 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-02-22
    oval:com.ubuntu.xenial:def:20155272000
    V
    CVE-2015-5272 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-02-22
    oval:com.ubuntu.disco:def:201552720000000
    V
    CVE-2015-5272 on Ubuntu 19.04 (disco) - medium.
    2016-02-22
    oval:com.ubuntu.cosmic:def:20155272000
    V
    CVE-2015-5272 on Ubuntu 18.10 (cosmic) - medium.
    2016-02-22
    oval:com.ubuntu.cosmic:def:201552720000000
    V
    CVE-2015-5272 on Ubuntu 18.10 (cosmic) - medium.
    2016-02-22
    oval:com.ubuntu.precise:def:20155272000
    V
    CVE-2015-5272 on Ubuntu 12.04 LTS (precise) - medium.
    2016-02-22
    BACK
    moodle moodle 2.7.7
    moodle moodle 2.7.6
    moodle moodle 2.7.3
    moodle moodle 2.7.2
    moodle moodle 2.7.5
    moodle moodle 2.7.4
    moodle moodle 2.7.9
    moodle moodle 2.7.8
    moodle moodle 2.7.1
    moodle moodle 2.7.0
    moodle moodle 2.7.9