Vulnerability CVE-2018-20147

Vulnerability Name:

CVE-2018-20147 (CCN-154329)

Assigned:

2018-12-13

Published:

2018-12-13

Updated:

2020-08-24

Summary:

In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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): High Availibility (A): None

7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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): None Integrity (I): High Availibility (A): None

CVSS v2 Severity:

5.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): Partial

7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Type:

CWE-863

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2018-20147

Source: BID
Type: Third Party Advisory, VDB Entry
106220

Source: MISC
Type: Product, Vendor Advisory
https://codex.wordpress.org/Version_4.9.9

Source: XF
Type: UNKNOWN
wp-cve201820147-sec-bypass(154329)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20190211 [SECURITY] [DLA 1673-1] wordpress security update

Source: CCN
Type: WordPress Web site
WordPress 5.0.1 Security Release

Source: MISC
Type: Release Notes, Vendor Advisory
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/

Source: MISC
Type: Product, Vendor Advisory
https://wordpress.org/support/wordpress-version/version-5-0-1/

Source: MISC
Type: Vendor Advisory
https://wpvulndb.com/vulnerabilities/9169

Source: DEBIAN
Type: Third Party Advisory
DSA-4401

Source: MISC
Type: Press/Media Coverage, Third Party Advisory
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/

Vulnerable Configuration:

Configuration 1:

cpe:/a:wordpress:wordpress:*:*:*:*:*:*:*:* (Version < 4.9.9)

OR cpe:/a:wordpress:wordpress:*:*:*:*:*:*:*:* (Version >= 5.0 and < 5.0.1)

Configuration 2:

cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:wordpress:wordpress:5.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.disco:def:2018201470000000	V	CVE-2018-20147 on Ubuntu 19.04 (disco) - medium.	2018-12-14
oval:com.ubuntu.bionic:def:201820147000	V	CVE-2018-20147 on Ubuntu 18.04 LTS (bionic) - medium.	2018-12-14
oval:com.ubuntu.cosmic:def:2018201470000000	V	CVE-2018-20147 on Ubuntu 18.10 (cosmic) - medium.	2018-12-14
oval:com.ubuntu.cosmic:def:201820147000	V	CVE-2018-20147 on Ubuntu 18.10 (cosmic) - medium.	2018-12-14
oval:com.ubuntu.bionic:def:2018201470000000	V	CVE-2018-20147 on Ubuntu 18.04 LTS (bionic) - medium.	2018-12-14
oval:com.ubuntu.trusty:def:201820147000	V	CVE-2018-20147 on Ubuntu 14.04 LTS (trusty) - medium.	2018-12-14
oval:com.ubuntu.xenial:def:2018201470000000	V	CVE-2018-20147 on Ubuntu 16.04 LTS (xenial) - medium.	2018-12-14
oval:com.ubuntu.xenial:def:201820147000	V	CVE-2018-20147 on Ubuntu 16.04 LTS (xenial) - medium.	2018-12-14

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