The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:5239 advisory.

    Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and     portability.

    This update upgrades Firefox to version 78.5.0 ESR.

    Security Fix(es):

    * Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code     (CVE-2020-26951)

    * Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5 (CVE-2020-26968)

    * Mozilla: Variable time processing of cross-origin images during drawImage calls (CVE-2020-16012)

    * Mozilla: Fullscreen could be enabled without displaying the security UI (CVE-2020-26953)

    * Mozilla: XSS through paste (manual and clipboard API) (CVE-2020-26956)

    * Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions (CVE-2020-26958)

    * Mozilla: Use-after-free in WebRequestService (CVE-2020-26959)

    * Mozilla: Potential use-after-free in uses of nsTArray (CVE-2020-26960)

    * Mozilla: DoH did not filter IPv4 mapped IP Addresses (CVE-2020-26961)

    * Mozilla: Software keyboards may have remembered typed passwords (CVE-2020-26965)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

RHEL 7 : firefox (RHSA-2020:5239)

high Nessus Plugin ID 143370

Version 1.14

Version 1.13

Version 1.11

Version 1.10

Version 1.9

Version 1.14 Nov 7, 2024, 5:39 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411070539
Version 1.13 Nov 5, 2024, 12:50 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411051250
Version 1.11 Feb 7, 2024, 2:22 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Plugin Feed: 202402071422
Version 1.10 May 25, 2023, 5:09 PM Logic Changes (Added support for ppc64le architecture) Plugin Feed: 202305251709
Version 1.9 Jan 23, 2023, 7:12 PM Logic Changes (Added support for repository relative URLs) Plugin Feed: 202301231912