SB2019052334 - Multiple vulnerabilities in Zoho ManageEngine Applications Manager
Published: May 23, 2019 Updated: August 8, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2017-11739)
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:U/U:Clear
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In Zoho ManageEngine Application Manager 13.1 Build 13100, an authenticated user, with administrative privileges, has the ability to add a widget on any dashboard. This widget can be a "Utility Widget" with a "Custom HTML or Text" field. Once this widget is created, it will be loaded on the dashboard where it was added. An attacker can abuse this functionality by creating a "Utility Widget" that contains malicious JavaScript code, aka XSS.
2) Input validation error (CVE-ID: CVE-2017-11740)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
In Zoho ManageEngine Application Manager 13.1 Build 13100, the administrative user has the ability to upload files/binaries that can be executed upon the occurrence of an alarm. An attacker can abuse this functionality by uploading a malicious script that can be executed on the remote system.
Remediation
Install update from vendor's website.