CVE-2017-7843 Vulnerability Details

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CVE-2017-7843 Metadata Quick Info

CVE Published: 11/06/2018 | CVE Updated: 05/08/2024 | CVE Year: 2017
Source: mozilla | Vendor: Mozilla | Product: Firefox ESR
Status : PUBLISHED

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CVE-2017-7843 Description

When Private Browsing mode is used, it is possible for a web worker to write persistent data to IndexedDB and fingerprint a user uniquely. IndexedDB should not be available in Private Browsing mode and this stored data will persist across multiple private browsing mode sessions because it is not cleared when exiting. This vulnerability affects Firefox ESR < 52.5.2 and Firefox < 57.0.1.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: Web worker in Private Browsing mode can write IndexedDB data
Source: Mozilla

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).