Ubuntu 16.04 LTS / 18.04 LTS / 20.04 : Firefox vulnerabilities (USN-4443-1)

High Nessus Plugin ID 139182

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VPR Score: 6.7

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass iframe sandbox restrictions, confuse the user, or execute arbitrary code. (CVE-2020-6463, CVE-2020-6514, CVE-2020-15652, CVE-2020-15653, CVE-2020-15654, CVE-2020-15656, CVE-2020-15658, CVE-2020-15659) It was discovered that redirected HTTP requests which are observed or modified through a web extension could bypass existing CORS checks. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit this to obtain sensitive information across origins. (CVE-2020-15655).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected firefox package.

See Also

https://usn.ubuntu.com/4443-1/

Plugin Details

Severity: High

ID: 139182

File Name: ubuntu_USN-4443-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 2020/07/30

Updated: 2020/09/17

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2020-15656

CVSS v2.0

Base Score: 9.3

Temporal Score: 6.9

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:firefox, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/07/29

Vulnerability Publication Date: 2020/05/21

Reference Information

CVE: CVE-2020-15652, CVE-2020-15653, CVE-2020-15654, CVE-2020-15655, CVE-2020-15656, CVE-2020-15658, CVE-2020-15659, CVE-2020-6463, CVE-2020-6514

USN: 4443-1

IAVA: 2020-A-0344-S