mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (XXE) vulnerability, as demonstrated by Autodiscover/Autodiscover.xml.
Weakness
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Zimbra_collaboration_suite | Synacor | 8.7.0 (including) | 8.7.11 (excluding) |
| Zimbra_collaboration_suite | Synacor | 8.7.11 (including) | 8.7.11 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p1 (including) | 8.7.11-p1 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p2 (including) | 8.7.11-p2 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p3 (including) | 8.7.11-p3 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p4 (including) | 8.7.11-p4 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p5 (including) | 8.7.11-p5 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p6 (including) | 8.7.11-p6 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p7 (including) | 8.7.11-p7 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p8 (including) | 8.7.11-p8 (including) |
| Zimbra_collaboration_suite | Synacor | 8.7.11-p9 (including) | 8.7.11-p9 (including) |
Potential Mitigations
Related Attack Patterns
References
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
- https://bugzilla.zimbra.com/show_bug.cgi?id=109129
- https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.exploit-db.com/exploits/46693/
- http://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.html
- http://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rce
- https://bugzilla.zimbra.com/show_bug.cgi?id=109129
- https://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.exploit-db.com/exploits/46693/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9670