Vulnerability Name:

CVE-2015-5264 (CCN-106552)

Assigned:2015-09-21
Published:2015-09-21
Updated:2020-12-01
Summary:The lesson module 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 bypass intended access restrictions and enter additional answer attempts by leveraging the student role.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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): Low
Integrity (I): Low
Availibility (A): None
4.3 Medium (CCN 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 (CCN 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
CVSS v2 Severity:5.5 Medium (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
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
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-264
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2015-5264

Source: CONFIRM
Type: UNKNOWN
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50516

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

Source: SECTRACK
Type: UNKNOWN
1033619

Source: XF
Type: UNKNOWN
moodle-cve20155264-sec-bypass(106552)

Source: CONFIRM
Type: Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=320287

Source: CCN
Type: Moodle Security Advisory MSA-15-0030
Students can re-attempt answering questions in the lesson

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-5264

Vulnerable Configuration:Configuration 1:
  • cpe:/a:moodle:moodle:2.8.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:*:*:*:*:*:*:*:* (Version <= 2.6.11)
  • OR cpe:/a:moodle:moodle:2.9.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.0:*:*:*:*:*:*:*
  • 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:-:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:2.9.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.7.9:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201552640000000
    V
    		CVE-2015-5264 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-02-22
    oval:com.ubuntu.artful:def:20155264000
    V
    		CVE-2015-5264 on Ubuntu 17.10 (artful) - medium.
    2016-02-22
    oval:com.ubuntu.trusty:def:20155264000
    V
    		CVE-2015-5264 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-02-22
    oval:com.ubuntu.xenial:def:201552640000000
    V
    		CVE-2015-5264 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-02-22
    oval:com.ubuntu.bionic:def:20155264000
    V
    		CVE-2015-5264 on Ubuntu 18.04 LTS (bionic) - medium.
    2016-02-22
    oval:com.ubuntu.xenial:def:20155264000
    V
    		CVE-2015-5264 on Ubuntu 16.04 LTS (xenial) - medium.
    2016-02-22
    oval:com.ubuntu.disco:def:201552640000000
    V
    		CVE-2015-5264 on Ubuntu 19.04 (disco) - medium.
    2016-02-22
    oval:com.ubuntu.cosmic:def:20155264000
    V
    		CVE-2015-5264 on Ubuntu 18.10 (cosmic) - medium.
    2016-02-22
    oval:com.ubuntu.cosmic:def:201552640000000
    V
    		CVE-2015-5264 on Ubuntu 18.10 (cosmic) - medium.
    2016-02-22
    oval:com.ubuntu.precise:def:20155264000
    V
    		CVE-2015-5264 on Ubuntu 12.04 LTS (precise) - medium.
    2016-02-22
    BACK
    moodle moodle 2.8.6
    moodle moodle 2.8.5
    moodle moodle 2.7.7
    moodle moodle 2.7.6
    moodle moodle *
    moodle moodle 2.9.1
    moodle moodle 2.8.2
    moodle moodle 2.8.1
    moodle moodle 2.7.3
    moodle moodle 2.7.2
    moodle moodle 2.9.0
    moodle moodle 2.8.7
    moodle moodle 2.8.0
    moodle moodle 2.7.9
    moodle moodle 2.7.8
    moodle moodle 2.7.1
    moodle moodle 2.7.0
    moodle moodle 2.8.4
    moodle moodle 2.8.3
    moodle moodle 2.7.5
    moodle moodle 2.7.4
    moodle moodle 2.9.1
    moodle moodle 2.8.7
    moodle moodle 2.7.9