CVE-2023-2754 Vulnerability Details

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CVE-2023-2754 Metadata Quick Info

CVE Published: 03/08/2023 | CVE Updated: 17/10/2024 | CVE Year: 2023
Source: cloudflare | Vendor: Cloudflare | Product: WARP
Status : PUBLISHED

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CVE-2023-2754 Description

The Cloudflare WARP client for Windows assigns loopback IPv4 addresses for the DNS Servers, since WARP acts as local DNS server that performs DNS queries in a secure manner, however, if a user is connected to WARP over an IPv6-capable network, te WARP client did not assign loopback IPv6 addresses but Unique Local Addresses, which under certain conditions could point towards unknown devices in the same local network which enables an Attacker to view DNS queries made by the device.

Metrics

CVSS Version: 3.1 | Base Score: 7.4 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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)* HIGH
    Integrity Impact (I)* HIGH
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID: CWE-319
CWE Name: CWE-319 Cleartext Transmission of Sensitive Information
Source: Cloudflare

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-117
CAPEC Description: CAPEC-117 Interception


Source: NVD (National Vulnerability Database).