Zimbra GraphQL Cross-Site Request Forgery Information Disclosure Vulnerability

October 11th, 2024

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Zimbra. User interaction is required to exploit this vulnerability in that the target must open a malicious email message.

The specific flaw exists within the implementation of the graphql endpoint. The issue results from the lack of proper protections against cross-site request forgery (CSRF) attacks. An attacker can leverage this vulnerability to disclose information in the context of the target email account.

Additional Details

Zimbra has issued an update to correct this vulnerability. More details can be found at:
https://blog.zimbra.com/2024/10/new-patch-release-reminders-for-missing-attachments-out-of-office-notifications-traffic-light-protocol-tlp-and-mailto-links/

Disclosure Timeline

  • 2024-06-05 - Vulnerability reported to vendor
  • 2024-10-11 - Coordinated public release of advisory
  • 2024-10-11 - Advisory Updated

Credit

Anonymous

Back to Advisories