CVE-2019-6980 : What You Need to Know

Synacor Zimbra Collaboration Suite versions 8.7.x through 8.8.11 are vulnerable to insecure object deserialization in the IMAP component.

Understanding CVE-2019-6980

The vulnerability in the IMAP component of Synacor Zimbra Collaboration Suite versions 8.7.x through 8.8.11 allows for insecure object deserialization.

What is CVE-2019-6980?

The IMAP component in Synacor Zimbra Collaboration Suite versions 8.7.x through 8.8.11 has a vulnerability that allows insecure object deserialization.

The Impact of CVE-2019-6980

This vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service on systems running the affected versions of the Zimbra Collaboration Suite.

Technical Details of CVE-2019-6980

The technical details of the CVE-2019-6980 vulnerability are as follows:

Vulnerability Description

The IMAP component in Synacor Zimbra Collaboration Suite versions 8.7.x through 8.8.11 allows insecure object deserialization, which can be exploited by malicious actors.

Affected Systems and Versions

Affected Versions: 8.7.x through 8.8.11

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted requests to the IMAP component, leading to insecure object deserialization.

Mitigation and Prevention

To mitigate the CVE-2019-6980 vulnerability, follow these steps:

Immediate Steps to Take

Update to the latest version of Synacor Zimbra Collaboration Suite that contains a patch for the vulnerability.
Monitor for any unusual activities on the IMAP component.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct security training for employees to recognize and report suspicious activities.

Patching and Updates

Apply security patches provided by Synacor promptly to address the vulnerability and enhance system security.