CVE-2023-3036 Vulnerability Details

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CVE-2023-3036 Metadata Quick Info

CVE Published: 14/06/2023 | CVE Updated: 02/08/2024 | CVE Year: 2023
Source: cloudflare | Vendor: Cloudflare | Product: cfnts
Status : PUBLISHED

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CVE-2023-3036 Description

An unchecked read in NTP server in github.com/cloudflare/cfnts prior to commit 783490b https://github.com/cloudflare/cfnts/commit/783490b913f05e508a492cd7b02e3c4ec2297b71  enabled a remote attacker to trigger a panic by sending an NTSAuthenticator packet with extension length longer than the packet contents.

Metrics

CVSS Version: 3.1 | Base Score: 8.6 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

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

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

Weakness Enumeration (CWE)

CWE-ID: CWE-119
CWE Name: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Source: Cloudflare

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-540
CAPEC Description: CAPEC-540 Overread Buffers


Source: NVD (National Vulnerability Database).