SB2020060608 - Multiple vulnerabilities in October CMS

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Main Vulnerability Database SB2020060608

SB2020060608 - Multiple vulnerabilities in October CMS

Published: June 6, 2020 Updated: July 14, 2022

Security Bulletin ID SB2020060608
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 14% Low 86%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 vulnerabilities.


1) PHP file inclusion (CVE-ID: CVE-2020-5295)

CWE-ID: CWE-98 - Improper Control of Filename for Include/Require Statement in PHP Program

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green


The vulnerability allows a remote user to include and execute arbitrary PHP files on the server.

The vulnerability exists due to incorrect input validation when including PHP files. A remote authenticated user with `cms.manage_assets` permission can send a specially crafted HTTP request to the affected application, include and execute arbitrary PHP code on the system with privileges of the web server.


2) CSV Injection (CVE-ID: CVE-2020-5299)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to inject arbitrary data into SCV files.

The vulnerability exists due to improper input validation when generating SCV files in ImportExportController. A remote attacker can create specially crafted SCV files and trick the victim into exporting the file with malicious content.



3) Cross-site scripting (CVE-ID: CVE-2020-11083)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the FormWidget. A remote authenticated user with access to the FormWidget (backend.allow_unsafe_markdown permission) can inject and  execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


4) External Control of File Name or Path (CVE-ID: CVE-2020-5297)

CWE-ID: CWE-73 - External Control of File Name or Path

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to upload files to arbitrary directory on the server.

The vulnerability exists due to application allows an attacker to control path of the uploaded files. A remote authenticated user with  cms.manage_assets permission can upload whitelisted files to any directory on the server.


5) Cross-site scripting (CVE-ID: CVE-2020-5298)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when proessing CSV files. A remote attacker can trick the victim to follow upload a specially craftde CSV file and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


6) External Control of File Name or Path (CVE-ID: CVE-2020-5296)

CWE-ID: CWE-73 - External Control of File Name or Path

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to delete arbitrary files.

The vulnerability exists due to application allows an attacker to control path of the files to delete. A remote authenticated user can send a specially crafted HTTP request and delete arbitrary files on the system.


7) Cross-site scripting (CVE-ID: CVE-2020-11022)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the regex operation in "jQuery.htmlPrefilter". A remote attacker can pass specially crafted data to the application that uses .html()</code>, <code>.append() or similar methods for it and execute arbitrary JavaScript code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.

References