CVE-2019-6981 Explained : Impact and Mitigation

The Feed component in Zimbra Collaboration Suite versions 8.7.x through 8.8.11 is vulnerable to an issue known as Blind SSRF.

Understanding CVE-2019-6981

The vulnerability identified as Blind SSRF in Zimbra Collaboration Suite can have significant security implications.

What is CVE-2019-6981?

CVE-2019-6981 is a vulnerability in the Feed component of Zimbra Collaboration Suite versions 8.7.x through 8.8.11 that allows Blind SSRF.

The Impact of CVE-2019-6981

The vulnerability could potentially be exploited by attackers to perform Server-Side Request Forgery (SSRF) attacks through the Feed component, leading to unauthorized access to internal systems or services.

Technical Details of CVE-2019-6981

The technical aspects of the CVE-2019-6981 vulnerability provide insight into its nature and potential risks.

Vulnerability Description

The vulnerability in Zimbra Collaboration Suite versions 8.7.x through 8.8.11 allows Blind SSRF in the Feed component, enabling attackers to manipulate requests and potentially access sensitive information.

Affected Systems and Versions

Product: Zimbra Collaboration Suite
Versions: 8.7.x through 8.8.11

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trick the server into making requests to unintended destinations, potentially leading to data leakage or unauthorized access.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-6981.

Immediate Steps to Take

Apply security patches provided by Zimbra promptly.
Monitor network traffic for any suspicious activity.
Restrict access to the vulnerable component.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users and administrators about SSRF risks and best practices.

Patching and Updates

Zimbra may release patches or updates to address the Blind SSRF vulnerability in the Feed component. It is essential to apply these patches as soon as they are available to secure the system.