Linux Distros Unpatched Vulnerability : CVE-2025-8916

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(260006);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/19");

  script_cve_id("CVE-2025-8916");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2025-8916");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - Allocation of Resources Without Limits or Throttling vulnerability in Legion of the Bouncy Castle Inc. BC
    Java bcpkix on All (API modules), Legion of the Bouncy Castle Inc. BC Java bcprov on All (API modules),
    Legion of the Bouncy Castle Inc. BCPKIX FIPS bcpkix-fips on All (API modules) allows Excessive Allocation.
    This vulnerability is associated with program files https://github.Com/bcgit/bc-
    java/blob/main/pkix/src/main/java/org/bouncycastle/pkix/jcajce/PKIXCertPathReviewer.Java,
    https://github.Com/bcgit/bc-
    java/blob/main/prov/src/main/java/org/bouncycastle/x509/PKIXCertPathReviewer.Java. This issue affects BC
    Java: from 1.44 through 1.78; BC Java: from 1.44 through 1.78; BCPKIX FIPS: from 1.0.0 through 1.0.7, from
    2.0.0 through 2.0.7. (CVE-2025-8916)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2025-8916");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2025-8916");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2025-8916");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
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  script_set_attribute(attribute:"cvss4_supplemental", value:"CVSS:4.0/S:P/R:U/RE:M/U:Amber");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-8916");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/08/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:22.04:-:lts");
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  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:9");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:jmc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:pki-resteasy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:pki-resteasy-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:pki-resteasy-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:pki-resteasy-jackson2-provider");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:resteasy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:resteasy-javadoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bouncycastle");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:jmc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pki-resteasy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pki-resteasy-client");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pki-resteasy-jackson2-provider");
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  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:resteasy");
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  script_family(english:"Misc.");

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  script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
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  exit(0);
}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/CentOS/rpm-list")) && empty_or_null(get_one_kb_item("Host/Debian/dpkg-l")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Debian Linux-12": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "12",
        "pkgs": [
          {"reference": "libbcjmail-java"},
          {"reference": "libbcmail-java"},
          {"reference": "libbcpg-java"},
          {"reference": "libbcpkix-java"},
          {"reference": "libbcprov-java"},
          {"reference": "libbctls-java"},
          {"reference": "libbcutil-java"}
        ]
      }
    ]
  },
  "Debian Linux-11": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "11",
        "pkgs": [
          {"reference": "libbcmail-java"},
          {"reference": "libbcmail-java-doc"},
          {"reference": "libbcpg-java"},
          {"reference": "libbcpg-java-doc"},
          {"reference": "libbcpkix-java"},
          {"reference": "libbcpkix-java-doc"},
          {"reference": "libbcprov-java"},
          {"reference": "libbcprov-java-doc"}
        ]
      }
    ]
  },
  "Ubuntu Linux-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "bouncycastle"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "bouncycastle"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "bouncycastle"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "bouncycastle"}
        ]
      }
    ]
  },
  "Ubuntu Linux-25.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "25.04",
        "pkgs": [
          {"reference": "bouncycastle"}
        ]
      }
    ]
  },
  "CentOS Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "resteasy"},
          {"reference": "resteasy-javadoc"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-8": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "8",
        "pkgs": [
          {"reference": "resteasy"},
          {"reference": "resteasy-javadoc"}
        ]
      }
    ]
  },
  "Red Hat Enterprise Linux-9": {
    "package_manager": "rpm-list",
    "constraints": [
      {
        "release": "9",
        "pkgs": [
          {"reference": "jmc"},
          {"reference": "pki-resteasy"},
          {"reference": "pki-resteasy-client"},
          {"reference": "pki-resteasy-core"},
          {"reference": "pki-resteasy-jackson2-provider"},
          {"reference": "pki-resteasy-servlet-initializer"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}