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Summary: Via HackerOne. An attacker can bypass `auth.email-domains` by registering with an email like: aaaaa...aaaaa@evil.com@company.com We'll validate the full string, then insert it into the database where it will be truncated, removing the `@company.com` part. Then we'll send an email to `@evil.com`. Instead, reject email addresses which won't fit in the table. `STRICT_ALL_TABLES` stops this attack, I'm going to add a setup warning encouraging it. Test Plan: - Set `auth.email-domains` to `@company.com`. - Registered with `aaa...aaa@evil.com@company.com`. Previously this worked, now it is rejected. - Did a valid registration. - Tried to add `aaa...aaaa@evil.com@company.com` as an email address. Previously this worked, now it is rejected. - Did a valid email add. - Added and executed unit tests. Reviewers: btrahan, arice Reviewed By: arice CC: aran, chad Differential Revision: https://secure.phabricator.com/D8308 |
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.. | ||
config | ||
PhabricatorAuthConfirmLinkController.php | ||
PhabricatorAuthController.php | ||
PhabricatorAuthLinkController.php | ||
PhabricatorAuthLoginController.php | ||
PhabricatorAuthNeedsApprovalController.php | ||
PhabricatorAuthOldOAuthRedirectController.php | ||
PhabricatorAuthRegisterController.php | ||
PhabricatorAuthStartController.php | ||
PhabricatorAuthUnlinkController.php | ||
PhabricatorAuthValidateController.php | ||
PhabricatorDisabledUserController.php | ||
PhabricatorEmailLoginController.php | ||
PhabricatorEmailTokenController.php | ||
PhabricatorEmailVerificationController.php | ||
PhabricatorLogoutController.php | ||
PhabricatorMustVerifyEmailController.php | ||
PhabricatorRefreshCSRFController.php |