Debian DSA-4062-1 : firefox-esr - security update

high Nessus Plugin ID 105123

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Synopsis

The remote Debian host is missing a security-related update.

Description

It was discovered that the Private Browsing mode in the Mozilla Firefox web browser allowed to fingerprint a user across multiple sessions via IndexedDB.

Solution

Upgrade the firefox-esr packages.

For the oldstable distribution (jessie), this problem has been fixed in version 52.5.2esr-1~deb8u1.

For the stable distribution (stretch), this problem has been fixed in version 52.5.2esr-1~deb9u1.

Plugin Details

Severity: High

ID: 105123

File Name: debian_DSA-4062.nasl

Version: 3.8

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 12/11/2017

Updated: 11/12/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2017-7843

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:firefox-esr, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/10/2017

Reference Information

CVE: CVE-2017-7843

DSA: 4062

Detections

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