Host Header Vulnerability in Zimbra Collaboration Suite by Zimbra
CVE-2022-37041

7.5HIGH

Key Information:

Vendor

Zimbra

Status
Collaboration
Vendor
CVE Published:
11 August 2022

What is CVE-2022-37041?

A security vulnerability exists in the ProxyServlet component of Zimbra Collaboration Suite (ZCS) versions 8.8.15 and 9.0. The flaw occurs due to the unvalidated use of the X-Forwarded-Host header, which is improperly allowed to overwrite the Host header in proxied requests. This oversight means that the value being forwarded is not subjected to an appropriate whitelist check against the zimbraProxyAllowedDomains setting, potentially allowing unauthorized redirection or manipulation of requests that could impact the integrity and security of messaging services within ZCS.

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References

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
x_refsource_MISC
https://wiki.zimbra.com/wiki/Security_Center
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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