CVE-2023-3766 Vulnerability Details

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CVE-2023-3766 Metadata Quick Info

CVE Published: 03/08/2023 | CVE Updated: 09/10/2024 | CVE Year: 2023
Source: cloudflare | Vendor: Cloudflare | Product: odoh-rs
Status : PUBLISHED

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CVE-2023-3766 Description

A vulnerability was discovered in the odoh-rs rust crate that stems from faulty logic during the parsing of encrypted queries. This issue specifically occurs when processing encrypted query data received from remote clients and enables an attacker with knowledge of this vulnerability to craft and send specially designed encrypted queries to targeted ODOH servers running with odoh-rs. Upon successful exploitation, the server will crash abruptly, disrupting its normal operation and rendering the service temporarily unavailable.

Metrics

CVSS Version: 3.1 | Base Score: 5.9 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* HIGH
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* UNCHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* NONE
    Integrity Impact (I)* NONE
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-120
CWE Name: CWE-120 Buffer Copy without Checking Size of Input ( Classic Buffer Overflow )
Source: Cloudflare

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-100
CAPEC Description: CAPEC-100 Overflow Buffers


Source: NVD (National Vulnerability Database).