The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5880-1 advisory.

    Christian Holler discovered that Firefox did not properly manage memory when using PKCS 12 Safe Bag     attributes. An attacker could construct a PKCS 12 cert bundle in such a way that could allow for arbitrary     memory writes. (CVE-2023-0767)

    Johan Carlsson discovered that Firefox did not properly manage child iframe's unredacted URI when using     Content-Security-Policy-Report-Only header. An attacker could potentially exploits this to obtain     sensitive information. (CVE-2023-25728)

    Vitor Torres discovered that Firefox did not properly manage permissions of extensions interaction via     ExpandedPrincipals. An attacker could potentially exploits this issue to download malicious files or     execute arbitrary code. (CVE-2023-25729)

    Irvan Kurniawan discovered that Firefox did not properly validate background script invoking     requestFullscreen. An attacker could potentially exploit this issue to perform spoofing attacks.
    (CVE-2023-25730)

    Ronald Crane discovered that Firefox did not properly manage memory when using EncodeInputStream in xpcom.
    An attacker could potentially exploits this issue to cause a denial of service. (CVE-2023-25732)

    Samuel Grob discovered that Firefox did not properly manage memory when using wrappers wrapping a scripted     proxy. An attacker could potentially exploits this issue to cause a denial of service. (CVE-2023-25735)

    Holger Fuhrmannek discovered that Firefox did not properly manage memory when using Module load requests.
    An attacker could potentially exploits this issue to cause a denial of service. (CVE-2023-25739)

    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-2023-25731, CVE-2023-25733,     CVE-2023-25736, CVE-2023-25737, CVE-2023-25741, CVE-2023-25742, CVE-2023-25744, CVE-2023-25745)

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

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Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-5880-1)

critical Nessus Plugin ID 171637

Version 1.4