SB2022062104 - Multiple vulnerabilities in Concrete CMS
Published: June 21, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Code Injection (CVE-ID: CVE-2022-21829)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to the affected application can download zip files over HTTP. A remote administrator can execute arbitrary code from those zip files on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Path traversal (CVE-ID: CVE-2022-30117)
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in /index.php/ccm/system/file/upload. A remote administrator can send a specially crafted HTTP request and delete arbitrary files on the system.
3) Cross-site scripting (CVE-ID: CVE-2022-30120)
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 /dashboard/blocks/stacks/view_details/. A remote attacker can trick the victim to follow a specially crafted link 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) Cross-site scripting (CVE-ID: CVE-2022-30119)
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 /dashboard/reports/logs/view. A remote user can trick the victim to follow a specially crafted link 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.
5) Cross-site scripting (CVE-ID: CVE-2022-30118)
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 /dashboard/system/express/entities/forms/save_control/[GUID]:. A remote user can trick the victim to follow a specially crafted link 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.
Remediation
Install update from vendor's website.