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kcheung
Staff
Staff
October 16, 2024

FortiGuard Outbreak Alert: Synacor Zimbra Collaboration Command Execution Vulnerability

  • October 16, 2024
  • 0 replies
  • 537 views
Description

Zimbra Collaboration (By Synacor) is an email and collaboration software.

 

CVE-2024-45519 is a remote code execution vulnerability in Zimbra Collaboration’s post journal service which handles the processing of email messages.

A failure to sanitize user input allows attackers to send specifically crafted emails to achieve remote code execution on vulnerable Zimbra server.

 

The following versions of Zimbra Collaboration is affected:

  • Version 8.8.15 before patch 46
  • Version 9.0.0 before patch 41
  • Versions 10.0.x before 10.0.9
  • Version 10.1.0

CVE ID    

CVE-2024-45519 (https://nvd.nist.gov/vuln/detail/CVE-2024-45519)

NDR Cloud Detection Rule

FortiNDR Cloud v2024.9+

Detection Rule Name

Category

Primary MITRE ID

FortiGuard Outbreak Alert: Zimbra Collaboration Remote Code Execution Attempt - CVE-2024-45519

Attack: Exploitation

T1190 - Exploit Public-Facing Application

Playbook 

N/A

Threat hunting

FortiNDR Cloud users can use the following IOCs from Fortinet to hunt for “Synacor Zimbra Collaboration Command Execution Vulnerability” related activities.
IOC source: https://www.fortiguard.com/outbreak-ioc?tag=zimbra%20collaboration%20rce

All IOCs listed above have been added to Threat Intelligence Intel

Suricata Coverage

Customers can create custom investigation/detections using the Suricata signatures below:

2056356 → ET EXPLOIT Zimbra postjournal RCE Attempt Inbound (CVE-2024-45519)

Other Fortinet Products

For more details regarding mitigating the vulnerability by utilizing Fortinet products, please refer to
https://www.fortiguard.com/outbreak-alert/zimbra-collaboration-rce