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    2 vulnerabilities by OAuth2 Proxy

    CVE-2020-4037 (GCVE-0-2020-4037)

    Vulnerability from cvelistv5 – Published: 2020-06-29 19:45 – Updated: 2024-08-04 07:52
    VLAI
    Title
    Open Redirect in OAuth2 Proxy
    Summary
    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.
    Severity
    4.3 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
    CWE
    • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
    Assigner
    References
    Impacted products
    Vendor Product Version
    OAuth2 Proxy OAuth2 Proxy Affected: >= 5.1.1, < 6.0.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2020-11053 (GCVE-0-2020-11053)

    Vulnerability from cvelistv5 – Published: 2020-05-07 20:30 – Updated: 2024-08-04 11:21
    VLAI
    Title
    Open Redirect in OAuth2 Proxy
    Summary
    In OAuth2 Proxy before 5.1.1, there is an open redirect vulnerability. 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. However, by crafting a redirect URL with HTML encoded whitespace characters the validation could be bypassed and allow a redirect to any URL provided. This has been patched in 5.1.1.
    Severity
    7.1 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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