漏洞信息
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Vulnerability Title
Hi.Events before 1.11.1-beta Server-Side Request Forgery via Unvalidated Webhook Redirects
Vulnerability Description
Hi.Events validates a webhook destination only when it is registered, never when it is used. NoInternalUrlRule in backend/app/Validators/Rules/NoInternalUrlRule.php resolves the hostname with gethostbyname() and rejects private and reserved ranges, which any public hostname passes. At dispatch, WebhookDispatchService takes the stored URL and calls it through spatie/laravel-webhook-server without repeating the check, and backend/config/webhook-server.php sets no Guzzle options, so redirect following remains enabled by default. A destination that answers with a redirect to a loopback, private or cloud metadata address therefore causes the server to issue that request, and changing the hostname's DNS record after registration reaches the same result because no resolution is repeated. The response is not discarded: WebhookResponseHandlerService stores the body on the webhook log and WebhookLogResource returns it from the webhook logs endpoint, so the requester reads what the internal service replied rather than inferring it. Both event and organizer webhooks share the rule and the dispatch path. Version 1.11.1-beta revalidates at dispatch, pins the validated address, checks every redirect hop, and decodes IPv6 transition addresses that previously bypassed the filter.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Vulnerability Type
服务端请求伪造(SSRF)
Vulnerability Title
Hi.Events 服务端请求伪造漏洞
Vulnerability Description
Hi.Events是Hi.Events组织的一款活动管理与票务销售平台。 Hi.Events 1.11.1-beta之前版本存在服务端请求伪造漏洞,该漏洞源于Webhook目标仅在注册时进行验证,使用时未重复验证,且重定向跟随默认启用,导致攻击者可利用重定向将请求发送至内网或云元数据地址,造成服务端请求伪造。
CVSS Information
N/A
Vulnerability Type
N/A