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    1 vulnerability by fermyon

    CVE-2024-32980 (GCVE-0-2024-32980)

    Vulnerability from cvelistv5 – Published: 2024-05-08 14:32 – Updated: 2024-08-02 02:27
    VLAI
    Title
    Spin contains a potential network sandbox escape for specifically configured Spin applications
    Summary
    Spin is the developer tool for building and running serverless applications powered by WebAssembly. Prior to 2.4.3, some specifically configured Spin applications that use `self` requests without a specified URL authority can be induced to make requests to arbitrary hosts via the `Host` HTTP header. The following conditions need to be met for an application to be vulnerable: 1. The environment Spin is deployed in routes requests to the Spin runtime based on the request URL instead of the `Host` header, and leaves the `Host` header set to its original value; 2. The Spin application's component handling the incoming request is configured with an `allow_outbound_hosts` list containing `"self"`; and 3. In reaction to an incoming request, the component makes an outbound request whose URL doesn't include the hostname/port. Spin 2.4.3 has been released to fix this issue.
    Severity
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-610 - Externally Controlled Reference to a Resource in Another Sphere
    Assigner
    References
    Impacted products
    Vendor Product Version
    fermyon spin Affected: < 2.4.3
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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