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    CVE-2023-35942

    Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, gRPC access loggers using listener's global scope can cause a `use-after-free` crash when the listener is drained. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, disable gRPC access log or stop listener update.

    Published:Jul 25, 2023
    Last Modified:Nov 21, 2024
    EPS:Jul 25, 2023
    EPSS Score:0.00019
    CVSS Score:6.5

    Affected Products

    Vendor
    Envoyproxy
    Product
    Envoy
    Vendor
    Redhat
    Product
    Service Mesh

    Exploits

    https://github.com/envoyproxy/envoy/security/advisories/GHSA-69vr-g55c-v2v4https://github.com/envoyproxy/envoy/security/advisories/GHSA-69vr-g55c-v2v4

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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