Open Redirect in OAuth2 Proxy

TRUNG BÌNH 5.4CVE-2020-4037 · BIT-oauth2-proxy-2020-4037 · GHSA-5m6c-jp6f-2vcv · Công bố 29/06/2020 · cập nhật 17/06/2026

Tóm tắt nhanh

CVE-2020-4037 là lỗ hổng mức TRUNG BÌNH (CVSS 5.4) ảnh hưởng github.com/oauth2-proxy/oauth2-proxy, oauth2 proxy (oauth2 proxy project).
Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.90%, cao hơn 59.6% các lỗ hổng khác.
Cách xử lý: cập nhật lên 6.0.0 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
github.com/oauth2-proxy/oauth2-proxy Go	`≥ 5.1.1, < 6.0.0`	`6.0.0`
oauth2 proxy oauth2_proxy_project	`≥ 5.1.1, < 6.0.0`	`6.0.0`

Mô tả

Impact

As users can provide a redirect address for the proxy to send the authenticated user to at the end of the authentication flow. This is expected to be the original URL that the user was trying to access. This redirect URL is checked within the proxy and validated before redirecting the user to prevent malicious actors providing redirects to potentially harmful sites.

Mô tả của NVD

In OAuth2 Proxy from version 5.1.1 and less than version 6.0.0, users can provide a redirect address for the proxy to send the authenticated user to at the end of the authentication flow. This is expected to be the original URL that the user was trying to access. This redirect URL is checked within the proxy and validated before redirecting the user to prevent malicious actors providing redirects to potentially harmful sites. This has been fixed in version 6.0.0.