The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6562-1 advisory.

    Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially     crafted website, an attacker could potentially exploit these to cause a denial of service, obtain     sensitive information across domains, or execute arbitrary code.(CVE-2023-6865, CVE-2023-6857,     CVE-2023-6858, CVE-2023-6859, CVE-2023-6866, CVE-2023-6867, CVE-2023-6861, CVE-2023-6869, CVE-2023-6871,     CVE-2023-6872, CVE-2023-6863, CVE-2023-6864, CVE-2023-6873)

    DoHyun Lee discovered that Firefox did not properly manage memory when used on systems with the Mesa VM     driver. An attacker could potentially exploit this issue to execute arbitrary code. (CVE-2023-6856)

    George Pantela and Hubert Kario discovered that Firefox using multiple NSS NIST curves which were     susceptible to a side-channel attack known as Minerva. An attacker could potentially exploit this issue     to obtain sensitive information. (CVE-2023-6135)

    Andrew Osmond discovered that Firefox did not properly validate the textures produced by remote decoders.
    An attacker could potentially exploit this issue to escape the sandbox. (CVE-2023-6860)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Ubuntu 20.04 LTS : Firefox vulnerabilities (USN-6562-1)

high Nessus Plugin ID 187406

Version 1.2

Version 1.1

Version 1.0

Version 1.2 Aug 28, 2024, 7:43 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202408281943
Version 1.1 Jan 26, 2024, 11:38 AM IAVM reference Plugin Feed: 202401261138
Version 1.0 Jan 2, 2024, 10:54 AM New Plugin Feed: 202401021054