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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...
CVE-2021-35209
SecPulse初出
原文の説明 取得元が公開している説明をそのまま載せています (多くは英語)。
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).
参照URL
- advisory wiki.zimbra.com
- advisory wiki.zimbra.com
- advisory wiki.zimbra.com
- advisory wiki.zimbra.com
- report blog.sonarsource.com