There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Nix is a package manager for Linux and other Unix systems. A fixed-output derivations on Linux can send
    file descriptors to files in the Nix store to another program running on the host (or another fixed-output
    derivation) via Unix domain sockets in the abstract namespace. This allows to modify the output of the
    derivation, after Nix has registered the path as "valid" and immutable in the Nix database. In particular,
    this allows the output of fixed-output derivations to be modified from their expected content. This issue
    has been addressed in versions 2.3.18 2.18.2 2.19.4 and 2.20.5. Users are advised to upgrade. There are no
    known workarounds for this vulnerability. (CVE-2024-27297)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7633-1 advisory.

    Linus Heckemann discovered that Nix did not correctly handle certain binaries. An attacker could possibly     use this issue to execute arbitrary code. (CVE-2024-38531)

    Pierre-Etienne Meunier discovered that Nix did not correctly handle TLS certificates. A remote attacker     could possibly use this issue to leak sensitive information. (CVE-2024-47174)

    It was discovered that Nix did not correctly handle Unix sockets. An attacker could possibly use this     issue execute arbitrary code. This issue only affected Ubuntu 24.04 LTS. (CVE-2024-27297)

    It was discovered that Nix did not correctly handle unpacking Nix archives (NARS). If a user or automated     system were tricked into opening a specially crafted file, an attacker could possibly use this issue to     cause a denial of service or execute arbitrary code. (CVE-2024-45593)

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.

The remote Debian 11 / 12 host has a package installed that is affected by a vulnerability as referenced in the dsa-5669 advisory.

    -----BEGIN PGP SIGNED MESSAGE-----     Hash: SHA512

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5669-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     April 22, 2024                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : guix     CVE ID         : CVE-2024-27297

    It was discovered that insufficient restriction of unix daemon sockets     in the GNU Guix functional package manager could result in sandbox     bypass.

    For the oldstable distribution (bullseye), this problem has been fixed     in version 1.2.0-4+deb11u2.

    For the stable distribution (bookworm), this problem has been fixed in     version 1.4.0-3+deb12u1.

    We recommend that you upgrade your guix packages.

    For the detailed security status of guix please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/guix

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org
    -----BEGIN PGP SIGNATURE-----

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    -----END PGP SIGNATURE-----

    Reply to:
    debian-security-announce@lists.debian.org     Moritz Muehlenhoff (on-list)     Moritz Muehlenhoff (off-list)

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

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Nix is a package manager for Linux and other Unix systems. A fixed-output derivations on Linux can send     file descriptors to files in the Nix store to another program running on the host (or another fixed-output     derivation) via Unix domain sockets in the abstract namespace. This allows to modify the output of the     derivation, after Nix has registered the path as valid and immutable in the Nix database. In particular,     this allows the output of fixed-output derivations to be modified from their expected content. This issue     has been addressed in versions 2.3.18 2.18.2 2.19.4 and 2.20.5. Users are advised to upgrade. There are no     known workarounds for this vulnerability. (CVE-2024-27297)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
426052	Alpine: multiple nix packages, perl-nix: security update to 2.20.5-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	5/16/2025	7/2/2026	medium
426052	Alpine: multiple nix packages, perl-nix: security update to 2.20.5-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	5/16/2025	7/2/2026	medium
408321	Alpine: multiple guix packages: security update to 1.4.0-r5	Tenable Cloud Security	Alpine Linux Local Security Checks	3/20/2024	7/2/2026	medium
408321	Alpine: multiple guix packages: security update to 1.4.0-r5	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	3/20/2024	7/2/2026	medium
242201	Ubuntu 22.04 LTS / 24.04 LTS : Nix vulnerabilities (USN-7633-1)	Nessus	Ubuntu Local Security Checks	7/16/2025	7/16/2025	high
193698	Debian dsa-5669 : guix - security update	Nessus	Debian Local Security Checks	4/23/2024	6/30/2025	medium
228121	Linux Distros Unpatched Vulnerability : CVE-2024-27297	Nessus	Misc.	3/5/2025	7/25/2026	medium

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