UBUNTU-CVE-2023-4785

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    UBUNTU-CVE-2023-4785

    Published: 13 Sept 2023Last Modified: 20 May 2026
    Upstream:
    CVE-2023-4785

    Summary:

    Details: Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.

    References: https://ubuntu.com/security/CVE-2023-4785, https://github.com/grpc/grpc/pull/33656, https://github.com/grpc/grpc/pull/33667, https://github.com/grpc/grpc/pull/33669, https://github.com/grpc/grpc/pull/33670, https://github.com/grpc/grpc/pull/33672, https://www.cve.org/CVERecord?id=CVE-2023-4785

    Affected packages

    Package

    Name: grpc

    Purl: pkg:deb/ubuntu/grpc?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    0.10.2-1

    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
    UBUNTU-CVE-2023-4785 | CVE-DB