Vulnerability Name:

CVE-2015-5332 (CCN-110889)

Assigned:2015-11-16
Published:2015-11-16
Updated:2020-12-01
Summary:Atto in Moodle 2.8.x before 2.8.9 and 2.9.x before 2.9.3 allows remote attackers to cause a denial of service (disk consumption) by leveraging the guest role and entering drafts with the editor-autosave feature.
CVSS v3 Severity:6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
8.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
8.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-5332

Source: CONFIRM
Type: UNKNOWN
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-51000

Source: XF
Type: UNKNOWN
moodle-cve20155332-dos(110889)

Source: CCN
Type: Moodle Security Advisory MSA-15-0038
DDoS possibility in Atto

Source: CONFIRM
Type: Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=323229

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-5332

Vulnerable Configuration:Configuration 1:
  • 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:2.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.2:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.1:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.0:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.6:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.4:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.7:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.8.5:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:moodle:moodle:2.8.8:*:*:*:*:*:*:*
  • OR cpe:/a:moodle:moodle:2.9.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20155332000
    V
    		CVE-2015-5332 on Ubuntu 12.04 LTS (precise) - medium.
    2016-02-22
    oval:com.ubuntu.trusty:def:20155332000
    V
    		CVE-2015-5332 on Ubuntu 14.04 LTS (trusty) - medium.
    2016-02-22
    BACK
    moodle moodle 2.8.3
    moodle moodle 2.8.2
    moodle moodle 2.8.1
    moodle moodle 2.8.0
    moodle moodle 2.9.2
    moodle moodle 2.9.1
    moodle moodle 2.9.0
    moodle moodle 2.8.8
    moodle moodle 2.8.6
    moodle moodle 2.8.4
    moodle moodle 2.8.7
    moodle moodle 2.8.5
    moodle moodle 2.8.8
    moodle moodle 2.9.2