Vulnerability Name:

CVE-2017-5865 (CCN-123339)

Assigned:2017-02-02
Published:2017-02-02
Updated:2017-03-08
Summary:The password reset functionality in ownCloud Server before 8.1.11, 8.2.x before 8.2.9, 9.0.x before 9.0.7, and 9.1.x before 9.1.3 sends different error messages depending on whether the username is valid, which allows remote attackers to enumerate user names via a large number of password reset attempts.
CVSS v3 Severity:3.7 Low (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)
3.2 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/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): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-5865

Source: BID
Type: Third Party Advisory, VDB Entry
96425

Source: CCN
Type: BID-96425
ownCloud CVE-2017-5865 User Enumeration Vulnerability

Source: XF
Type: UNKNOWN
owncloud-cve20175865-info-disc(123339)

Source: CCN
Type: oC-SA-2017-001
User enumeration with error messages

Source: CONFIRM
Type: Patch, Vendor Advisory
https://owncloud.org/security/advisory/?id=oc-sa-2017-001

Vulnerable Configuration:Configuration 1:
  • cpe:/a:owncloud:owncloud:*:*:*:*:*:*:*:* (Version <= 8.1.10)
  • OR cpe:/a:owncloud:owncloud:8.2.2:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:8.2.3:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:8.2.4:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:8.2.5:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:8.2.6:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:8.2.7:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:8.2.8:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.0.0:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.0.1:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.0.2:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.0.3:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.0.4:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.0.5:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.0.6:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.1.0:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.1.1:-:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud:9.1.2:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:owncloud:owncloud_server:9.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:owncloud:owncloud_server:9.0.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20175865000
    V
    		CVE-2017-5865 on Ubuntu 12.04 LTS (precise) - low.
    2017-03-03
    oval:com.ubuntu.trusty:def:20175865000
    V
    		CVE-2017-5865 on Ubuntu 14.04 LTS (trusty) - low.
    2017-03-03
    BACK
    owncloud owncloud *
    owncloud owncloud 8.2.2
    owncloud owncloud 8.2.3
    owncloud owncloud 8.2.4
    owncloud owncloud 8.2.5
    owncloud owncloud 8.2.6
    owncloud owncloud 8.2.7
    owncloud owncloud 8.2.8
    owncloud owncloud 9.0.0
    owncloud owncloud 9.0.1
    owncloud owncloud 9.0.2
    owncloud owncloud 9.0.3
    owncloud owncloud 9.0.4
    owncloud owncloud 9.0.5
    owncloud owncloud 9.0.6
    owncloud owncloud 9.1.0
    owncloud owncloud 9.1.1
    owncloud owncloud 9.1.2
    owncloud owncloud server 9.1.2
    owncloud owncloud server 9.0.6