An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. The value of the X-Host header overwrites the value of the Host header in proxied requests. The value of X-Host header is not checked against the whitelist of hosts Zimbra is allowed to proxy to (the zimbraProxyAllowedDomains setting).
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-07-02T18:54:43

Updated: 2024-08-04T00:33:51.186Z

Reserved: 2021-06-22T00:00:00

Link: CVE-2021-35209

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-07-02T19:15:08.460

Modified: 2021-09-20T18:56:19.363

Link: CVE-2021-35209

cve-icon Redhat

No data.