CVE-2019-1679 : Exploit Details and Defense Strategies

Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server are affected by a server-side request forgery vulnerability that allows a remote attacker to trigger HTTP requests.

Understanding CVE-2019-1679

This CVE involves a flaw in the web interface of Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server software, enabling a remote attacker to perform server-side request forgery (SSRF) attacks.

What is CVE-2019-1679?

The vulnerability allows an authenticated attacker to trigger HTTP requests from an affected server to any host.
Exploiting the flaw requires submitting a specially crafted HTTP request to the impacted server.

The Impact of CVE-2019-1679

Attackers can exploit this vulnerability to perform SSRF attacks, potentially leading to unauthorized access or data leakage.
Versions prior to XC4.3.4 of the affected products are vulnerable to this issue.

Technical Details of CVE-2019-1679

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw arises due to insufficient access controls in the REST API of Cisco Expressway Series and Cisco TelePresence Video Communication Server.

Affected Systems and Versions

Cisco TelePresence Conductor, Cisco Expressway Series, and Cisco TelePresence Video Communication Server versions less than XC4.3.4 are impacted.

Exploitation Mechanism

Attackers need to submit a crafted HTTP request to the affected server to exploit the vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2019-1679 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Cisco to address the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation.

Long-Term Security Practices

Implement strict access controls and authentication mechanisms to prevent unauthorized access.
Regularly update and patch software to mitigate potential security risks.

Patching and Updates

Cisco has released patches to fix the vulnerability; ensure timely installation of these updates.