CVE-2020-8618 Vulnerability Details

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CVE-2020-8618 Metadata Quick Info

CVE Published: 17/06/2020 | CVE Updated: 16/09/2024 | CVE Year: 2020
Source: isc | Vendor: ISC | Product: BIND9
Status : PUBLISHED

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CVE-2020-8618 Description

An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.

Metrics

CVSS Version: 3.1 | Base Score: 4.9 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* HIGH
    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 Name: An assertion check in BIND (that is meant to prevent going beyond the end of a buffer when processing incoming data) can be incorrectly triggered by a large response during zone transfer. Versions affected: BIND 9.16.0 -> 9.16.3
Source: ISC

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).