Vulnerability Name:

CVE-2017-5487 (CCN-120622)

Assigned:2017-01-11
Published:2017-01-11
Updated:2017-09-01
Summary:wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php in the REST API implementation in WordPress 4.7 before 4.7.1 does not properly restrict listings of post authors, which allows remote attackers to obtain sensitive information via a wp-json/wp/v2/users request.
CVSS v3 Severity:5.3 Medium (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 (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
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:5.0 Medium (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
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-2017-5487

Source: CCN
Type: SECTRACK ID: 1037591
WordPress Bugs Let Remote Users Conduct Cross-Site Scripting and Cross-Site Request Forgery Attacks and Obtain Potentially Sensitive Information

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20170114 Re: CVE Request: Wordpress: 8 security issues in 4.7

Source: BID
Type: UNKNOWN
95391

Source: CCN
Type: BID-95391
WordPress Prior to 4.7.1 Information Disclosure Vulnerability

Source: SECTRACK
Type: UNKNOWN
1037591

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://codex.wordpress.org/Version_4.7.1

Source: XF
Type: UNKNOWN
wp-core-cve20175487-info-disc(120622)

Source: CONFIRM
Type: Patch
https://github.com/WordPress/WordPress/commit/daf358983cc1ce0c77bf6d2de2ebbb43df2add60

Source: CCN
Type: Packet Storm Security [03-03-2017]
WordPress Username Enumeration

Source: CCN
Type: WordPress Security Advisory
WordPress 4.7.1 Security and Maintenance Release

Source: CONFIRM
Type: Vendor Advisory
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/

Source: MISC
Type: UNKNOWN
https://wpvulndb.com/vulnerabilities/8715

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [03-03-2017]

Source: EXPLOIT-DB
Type: UNKNOWN
41497

Source: MISC
Type: Third Party Advisory
https://www.wordfence.com/blog/2016/12/wordfence-blocks-username-harvesting-via-new-rest-api-wp-4-7/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:wordpress:wordpress:*:*:*:*:*:*:*:* (Version <= 4.7)

  • Configuration CCN 1:
  • cpe:/a:wordpress:wordpress:4.7.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201754870000000
    V
    CVE-2017-5487 on Ubuntu 18.04 LTS (bionic) - low.
    2017-01-15
    oval:com.ubuntu.artful:def:20175487000
    V
    CVE-2017-5487 on Ubuntu 17.10 (artful) - low.
    2017-01-14
    oval:com.ubuntu.trusty:def:20175487000
    V
    CVE-2017-5487 on Ubuntu 14.04 LTS (trusty) - low.
    2017-01-14
    oval:com.ubuntu.xenial:def:201754870000000
    V
    CVE-2017-5487 on Ubuntu 16.04 LTS (xenial) - low.
    2017-01-14
    oval:com.ubuntu.bionic:def:20175487000
    V
    CVE-2017-5487 on Ubuntu 18.04 LTS (bionic) - low.
    2017-01-14
    oval:com.ubuntu.xenial:def:20175487000
    V
    CVE-2017-5487 on Ubuntu 16.04 LTS (xenial) - low.
    2017-01-14
    oval:com.ubuntu.cosmic:def:20175487000
    V
    CVE-2017-5487 on Ubuntu 18.10 (cosmic) - low.
    2017-01-14
    oval:com.ubuntu.cosmic:def:201754870000000
    V
    CVE-2017-5487 on Ubuntu 18.10 (cosmic) - low.
    2017-01-14
    oval:com.ubuntu.precise:def:20175487000
    V
    CVE-2017-5487 on Ubuntu 12.04 LTS (precise) - low.
    2017-01-14
    BACK
    wordpress wordpress *
    wordpress wordpress 4.7.0