Vulnerability Name:

CVE-2015-5266

Assigned:2015-07-01
Published:2016-02-22
Updated:2017-09-16
Summary:The enrol_meta_sync function in enrol/meta/locallib.php in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 allows remote authenticated users to obtain manager privileges in opportunistic circumstances by leveraging incorrect role processing during a long-running sync script.
CVSS v3 Severity:6.8 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
3.7 Low (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-264
References:Source: CONFIRM
Type: UNKNOWN
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50744

Source: MLIST
Type: UNKNOWN
http://www.openwall.com/lists/oss-security/2015/09/21/1

Source: SECTRACK
Type: UNKNOWN
1033619

Source: CONFIRM
Type: VENDOR_ADVISORY
https://moodle.org/mod/forum/discuss.php?d=320290

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:2.9.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.9:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.6.11:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20155266000
    V
    CVE-2015-5266 on Ubuntu 12.04 LTS (precise) - medium.
    2016-02-22
    oval:com.ubuntu.trusty:def:20155266000
    V
    CVE-2015-5266 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-02-22
    oval:com.ubuntu.xenial:def:20155266000
    V
    CVE-2015-5266 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-02-22
    BACK
    moodle moodle 2.9.1
    moodle moodle 2.9
    moodle moodle 2.8.7
    moodle moodle 2.8.6
    moodle moodle 2.8.5
    moodle moodle 2.8.4
    moodle moodle 2.8.3
    moodle moodle 2.8.2
    moodle moodle 2.8.1
    moodle moodle 2.8
    moodle moodle 2.7.9
    moodle moodle 2.7.8
    moodle moodle 2.7.7
    moodle moodle 2.7.6
    moodle moodle 2.7.5
    moodle moodle 2.7.4
    moodle moodle 2.7.3
    moodle moodle 2.7.2
    moodle moodle 2.7.1
    moodle moodle 2.7
    moodle moodle 2.6.11