OAuth2 filter: improve the csrf token with "Signed Double-Submit Cookie" #37646
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Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>
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zhaohuabing
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Dec 16, 2024
| @@ -0,0 +1,29 @@ | |||
| diff --git a/single-page-app/verify.sh b/single-page-app/verify.sh | |||
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This patch is added as a workaround for envoyproxy/examples#384 . It can be removed after envoyproxy/examples#384 is merged.
mattklein123
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Commit Message: The current CSRF token in the OAuth2 filter state is a random string. This PR improved it by signing the random string with the HMAC secret, adding protection agains CSRF token forgery.
The new CSRF token is in the format of
<nonce>.<hmac(nonce)>, which is the Signed Double-Submit Cookie pattern recommended by OWASP.Additional Description:
Risk Level: low
Testing: Unit test and integration test
Docs Changes: No
Release Notes: Yes
Platform Specific Features:
[Optional Runtime guard:]
[Optional Fixes #37560]
[Optional Fixes commit #PR or SHA]
[Optional Deprecated:]
[Optional API Considerations:]
cc @denniskniep @missBerg @arkodg