Linux Distros Unpatched Vulnerability : CVE-2020-1760

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

include('compat.inc');

if (description)
{
  script_id(247045);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/08/09");

  script_cve_id("CVE-2020-1760");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2020-1760");

  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.

  - A flaw was found in the Ceph Object Gateway, where it supports request sent by an anonymous user in Amazon
    S3. This flaw could lead to potential XSS attacks due to the lack of proper neutralization of untrusted
    input. (CVE-2020-1760)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2020-1760");
  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:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-1760");

  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:"2020/04/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:ceph");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
  script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
  script_require_ports("Host/OS/Ubuntu Linux-14.04");

  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/Debian/dpkg-l"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Ubuntu Linux-14.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14.04",
        "pkgs": [
          {"reference": "ceph"},
          {"reference": "ceph-common"},
          {"reference": "ceph-common-dbg"},
          {"reference": "ceph-dbg"},
          {"reference": "ceph-fs-common"},
          {"reference": "ceph-fs-common-dbg"},
          {"reference": "ceph-fuse"},
          {"reference": "ceph-fuse-dbg"},
          {"reference": "ceph-mds"},
          {"reference": "ceph-mds-dbg"},
          {"reference": "ceph-resource-agents"},
          {"reference": "ceph-test"},
          {"reference": "ceph-test-dbg"},
          {"reference": "libcephfs-dev"},
          {"reference": "libcephfs-java"},
          {"reference": "libcephfs-jni"},
          {"reference": "libcephfs-jni-dbg"},
          {"reference": "libcephfs1"},
          {"reference": "libcephfs1-dbg"},
          {"reference": "librados-dev"},
          {"reference": "librados2"},
          {"reference": "librados2-dbg"},
          {"reference": "librbd-dev"},
          {"reference": "librbd1"},
          {"reference": "librbd1-dbg"},
          {"reference": "python-ceph"},
          {"reference": "radosgw"},
          {"reference": "radosgw-dbg"},
          {"reference": "rbd-fuse"},
          {"reference": "rbd-fuse-dbg"},
          {"reference": "rest-bench"},
          {"reference": "rest-bench-dbg"}
        ]
      }
    ]
  }
};

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');
}