CVE-2020-9758 : Security Advisory and Response
CVE-2020-9758 exposes a blind JavaScript injection flaw in LiveZilla Live Chat 8.0.1.3, enabling attackers to escalate privileges and take over accounts by fetching stored credentials.
An issue was discovered in chat.php in LiveZilla Live Chat 8.0.1.3 (Helpdesk) that allows for a blind JavaScript injection, potentially leading to a full account takeover.
Understanding CVE-2020-9758
What is CVE-2020-9758?
This CVE identifies a blind JavaScript injection vulnerability in LiveZilla Live Chat 8.0.1.3 (Helpdesk) that can be exploited to fetch usernames and passwords of helpdesk employees, enabling privilege escalation and account takeover.
The Impact of CVE-2020-9758
The vulnerability can result in unauthenticated access escalating to user-level access, allowing attackers to take over accounts by fetching stored credentials from the database.
Technical Details of CVE-2020-9758
Vulnerability Description
The issue lies in the name parameter of chat.php, allowing for blind JavaScript injection.
Affected Systems and Versions
- Product: LiveZilla Live Chat 8.0.1.3 (Helpdesk)
- Versions: All versions are affected
Exploitation Mechanism
The vulnerability can be triggered via the mobile/chat URI using the lgn and psswrd parameters.
Mitigation and Prevention
Immediate Steps to Take
- Disable the affected feature or application
- Implement input validation to prevent malicious injections
Long-Term Security Practices
- Regular security assessments and audits
- Keep software up to date with security patches
Patching and Updates
Apply patches or updates provided by the vendor to address the vulnerability.