RUSTSEC-2024-0332

    Dashboard / Vulnerabilities / RUSTSEC-2024-0332

    RUSTSEC-2024-0332

    Published: 3 Apr 2024Last Modified: 11 Apr 2024

    Summary: Degradation of service in h2 servers with CONTINUATION Flood

    Details: An attacker can send a flood of CONTINUATION frames, causing `h2` to process them indefinitely. This results in an increase in CPU usage. Tokio task budget helps prevent this from a complete denial-of-service, as the server can still respond to legitimate requests, albeit with increased latency. More details at "https://seanmonstar.com/blog/hyper-http2-continuation-flood/. Patches available for 0.4.x and 0.3.x versions.

    References: https://crates.io/crates/h2, https://rustsec.org/advisories/RUSTSEC-2024-0332.html, https://seanmonstar.com/blog/hyper-http2-continuation-flood/

    Affected packages

    Package

    Name: h2

    Purl: pkg:cargo/h2

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0.0.0-0
    Fixed -0.3.26

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RUSTSEC-2024-0332 | CVE-DB