漏洞信息
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Vulnerability Title
WeasyPrint Vulnerable to Server-Side Request Forgery (SSRF) Protection Bypass via HTTP Redirect
Vulnerability Description
WeasyPrint helps web developers to create PDF documents. Prior to version 68.0, a server-side request forgery (SSRF) protection bypass exists in WeasyPrint's `default_url_fetcher`. The vulnerability allows attackers to access internal network resources (such as `localhost` services or cloud metadata endpoints) even when a developer has implemented a custom `url_fetcher` to block such access. This occurs because the underlying `urllib` library follows HTTP redirects automatically without re-validating the new destination against the developer's security policy. Version 68.0 contains a patch for the issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Vulnerability Title
WeasyPrint 代码问题漏洞
Vulnerability Description
WeasyPrint是Kozea开源的一种智能解决方案。可帮助 Web 开发人员创建 PDF 文件。 WeasyPrint 68.0之前版本存在代码问题漏洞,该漏洞源于default_url_fetcher存在服务端请求伪造保护绕过,可能导致攻击者访问内部网络资源。
CVSS Information
N/A
Vulnerability Type
N/A