Vulnerability Name:

CVE-2019-8943 (CCN-157427)

Assigned:2019-02-19
Published:2019-02-19
Updated:2021-02-23
Summary:WordPress through 5.0.3 allows Path Traversal in wp_crop_image(). An attacker (who has privileges to crop an image) can write the output image to an arbitrary directory via a filename containing two image extensions and ../ sequences, such as a filename ending with the .jpg?/../../file.jpg substring.
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)
6.1 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:F/RL:U/RC:R)
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
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:F/RL:U/RC:R)
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): None
CVSS v2 Severity:4.0 Medium (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
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-22
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-8943

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.html

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/161213/WordPress-5.0.0-Remote-Code-Execution.html

Source: MISC
Type: Exploit, Third Party Advisory
http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rce

Source: BID
Type: Third Party Advisory, VDB Entry
107089

Source: CCN
Type: RIPSTECH Web site
WordPress 5.0.0 Remote Code Execution

Source: MISC
Type: Exploit, Third Party Advisory
https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/

Source: XF
Type: UNKNOWN
wp-cve20198943-dir-traversal(157427)

Source: CCN
Type: Packet Storm Security [04-04-2019]
WordPress 5.0.0 crop-image Shell Upload

Source: CCN
Type: Packet Storm Security [02-01-2021]
WordPress 5.0.0 Remote Code Execution

Source: CCN
Type: WordPress Web site
WordPress

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
46511

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [04-05-2019]

Source: EXPLOIT-DB
Type: Exploit, Mailing List, Third Party Advisory, VDB Entry
46662

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [02-01-2021]

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-8943

Vulnerable Configuration:Configuration 1:
  • cpe:/a:wordpress:wordpress:*:*:*:*:*:*:*:* (Version <= 5.0.3)

  • Configuration CCN 1:
  • cpe:/a:wordpress:wordpress:5.0.3:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201989430000000
    V
    CVE-2019-8943 on Ubuntu 19.04 (disco) - medium.
    2019-02-20
    oval:com.ubuntu.bionic:def:201989430000000
    V
    CVE-2019-8943 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-02-20
    oval:com.ubuntu.xenial:def:201989430000000
    V
    CVE-2019-8943 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-02-20
    oval:com.ubuntu.bionic:def:20198943000
    V
    CVE-2019-8943 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-02-19
    oval:com.ubuntu.cosmic:def:201989430000000
    V
    CVE-2019-8943 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-19
    oval:com.ubuntu.cosmic:def:20198943000
    V
    CVE-2019-8943 on Ubuntu 18.10 (cosmic) - medium.
    2019-02-19
    oval:com.ubuntu.trusty:def:20198943000
    V
    CVE-2019-8943 on Ubuntu 14.04 LTS (trusty) - medium.
    2019-02-19
    oval:com.ubuntu.xenial:def:20198943000
    V
    CVE-2019-8943 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-02-19
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    wordpress wordpress *
    wordpress wordpress 5.0.3