CVE-2019-12783 : Security Advisory and Response
Learn about CVE-2019-12783, a security flaw in Verint Impact 360 15.1 that allows attackers to exploit an open redirect vulnerability for brute-force login attempts, potentially compromising user credentials.
Verint Impact 360 15.1 has a vulnerability that allows attackers to carry out brute-force login attempts on a target website.
Understanding CVE-2019-12783
What is CVE-2019-12783?
CVE-2019-12783 is a security flaw in Verint Impact 360 15.1 that enables attackers to exploit an open redirect vulnerability to guess and potentially gain unauthorized access to valid credentials.
The Impact of CVE-2019-12783
The vulnerability allows attackers to perform "crowdsourced" brute-force login attempts on a target website without generating traffic from their own device, potentially compromising user credentials.
Technical Details of CVE-2019-12783
Vulnerability Description
An issue in Verint Impact 360 15.1 allows the rd parameter on the wfo/control/signin page to accept a URL, redirecting users to the specified URL after login. When combined with CVE-2019-12784, attackers can exploit this to carry out brute-force login attempts.
Affected Systems and Versions
- Product: Verint Impact 360 15.1
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can manipulate the rd parameter to redirect users to a specified URL after login, enabling them to carry out brute-force login attempts on the target website.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation to restrict the rd parameter to internal URLs only.
- Regularly monitor and analyze login attempts for suspicious patterns.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Educate users on safe login practices and the risks of phishing attacks.
Patching and Updates
- Apply security patches and updates provided by Verint to address the vulnerability in Impact 360 15.1.