CVE-2019-1010018 : Security Advisory and Response
Learn about CVE-2019-1010018, a Cross-Site Scripting (XSS) vulnerability in Zammad GmbH's Zammad software versions 2.3.0 and earlier. Find out the impact, affected systems, and mitigation steps.
Zammad GmbH's software Zammad 2.3.0 and prior versions have been identified with a Cross-Site Scripting (XSS) vulnerability, allowing attackers to execute malicious JavaScript code on users' web browsers when opening a ticket. Zammad GmbH has released fixed versions 2.3.1, 2.2.2, and 2.1.3.
Understanding CVE-2019-1010018
Zammad GmbH's Zammad software versions 2.3.0 and earlier are affected by a Cross-Site Scripting (XSS) vulnerability (CWE-80) that impacts the web application component.
What is CVE-2019-1010018?
CVE-2019-1010018 is a Cross-Site Scripting (XSS) vulnerability in Zammad GmbH's Zammad software versions 2.3.0 and earlier, allowing attackers to execute malicious JavaScript code on users' browsers.
The Impact of CVE-2019-1010018
The vulnerability enables attackers to execute harmful JavaScript code on the victim's web browser when a ticket is opened, potentially leading to unauthorized actions.
Technical Details of CVE-2019-1010018
Zammad GmbH's Zammad software versions 2.3.0 and earlier are susceptible to the following:
Vulnerability Description
The vulnerability is classified as Cross-Site Scripting (XSS) - CWE-80, allowing attackers to execute malicious JavaScript code.
Affected Systems and Versions
- Product: Zammad
- Vendor: Zammad GmbH
- Affected Versions:
- 2.3.0 and earlier
- Fixed Versions: 2.3.1, 2.2.2, and 2.1.3
Exploitation Mechanism
The attack vector involves the victim opening a ticket within the Zammad software, triggering the execution of malicious JavaScript code.
Mitigation and Prevention
To address CVE-2019-1010018, consider the following steps:
Immediate Steps to Take
- Update Zammad software to the fixed versions: 2.3.1, 2.2.2, or 2.1.3
- Educate users on the risks of opening suspicious tickets
Long-Term Security Practices
- Regularly monitor and update software for security patches
- Implement web application firewalls to mitigate XSS attacks
Patching and Updates
- Apply security patches promptly to prevent exploitation of known vulnerabilities