Basecamp's Google Sign-In for Rails allowed redirects to a malformed URL

Basecamp's Google Sign-In adds Google sign-in to Rails applications. Prior to version 1.3.0, it is possible to craft a malformed URL that passes the "same origin" check, resulting in the user being redirected to another origin. Rails applications configured to store the flash information in a session cookie may be vulnerable, if this can be chained with an attack that allows injection of arbitrary data into the session cookie. This issue has been patched in version 1.3.0. If upgrading is not possible at this time, a way to mitigate the chained attack can be done by explicitly setting SameSite=Lax or SameSite=Strict on the application session cookie.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

指向未可信站点的URL重定向(开放重定向)

Basecamp 输入验证错误漏洞

Basecamp是Basecamp公司的一个项目管理软件。 Basecamp 1.3.0之前版本存在输入验证错误漏洞，该漏洞源于URL验证不当，可能导致重定向攻击。

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