Vulnerability Information
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Vulnerability Title
Lychee has SSRF bypass via DNS rebinding — PhotoUrlRule only validates IP addresses, not hostnames resolving to internal IPs
Vulnerability Description
Lychee is a free, open-source photo-management tool. Prior to version 7.5.2, the SSRF protection in `PhotoUrlRule.php` can be bypassed using DNS rebinding. The IP validation check (line 86-89) only activates when the hostname is an IP address. When a domain name is used, `filter_var($host, FILTER_VALIDATE_IP)` returns `false`, skipping the entire check. Version 7.5.2 patches the issue.
CVSS Information
N/A
Vulnerability Type
服务端请求伪造(SSRF)
Vulnerability Title
Lychee 代码问题漏洞
Vulnerability Description
Lychee是The Lychee Organisation开源的一个漂亮且易于使用的照片管理系统。用于管理和共享照片。 Lychee 7.5.2之前版本存在代码问题漏洞，该漏洞源于SSRF保护可使用DNS重绑定绕过，可能导致服务端请求伪造。
CVSS Information
N/A
Vulnerability Type
N/A