Linux Distros Unpatched Vulnerability : CVE-2001-1534

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

include('compat.inc');

if (description)
{
  script_id(253807);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/28");

  script_cve_id("CVE-2001-1534");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2001-1534");

  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.

  - mod_usertrack in Apache 1.3.11 through 1.3.20 generates session ID's using predictable information
    including host IP address, system time and server process ID, which allows local users to obtain session
    ID's and bypass authentication when these session ID's are used for authentication. (CVE-2001-1534)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2001-1534");
  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:L/AC:L/Au:N/C:P/I:N/A:N");
  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:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2001-1534");

  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:"2001/12/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:12.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:13.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:14.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2");
  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) 2025-2026 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/Debian Linux-11", "Host/OS/Debian Linux-12", "Host/OS/Debian Linux-13", "Host/OS/Debian Linux-14");

  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 = {
  "Debian Linux-11": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "11",
        "pkgs": [
          {"reference": "apache2"},
          {"reference": "apache2-bin"},
          {"reference": "apache2-data"},
          {"reference": "apache2-dev"},
          {"reference": "apache2-doc"},
          {"reference": "apache2-ssl-dev"},
          {"reference": "apache2-suexec-custom"},
          {"reference": "apache2-suexec-pristine"},
          {"reference": "apache2-utils"},
          {"reference": "libapache2-mod-md"},
          {"reference": "libapache2-mod-proxy-uwsgi"}
        ]
      }
    ]
  },
  "Debian Linux-12": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "12",
        "pkgs": [
          {"reference": "apache2"},
          {"reference": "apache2-bin"},
          {"reference": "apache2-data"},
          {"reference": "apache2-dev"},
          {"reference": "apache2-doc"},
          {"reference": "apache2-ssl-dev"},
          {"reference": "apache2-suexec-custom"},
          {"reference": "apache2-suexec-pristine"},
          {"reference": "apache2-utils"},
          {"reference": "libapache2-mod-md"},
          {"reference": "libapache2-mod-proxy-uwsgi"}
        ]
      }
    ]
  },
  "Debian Linux-13": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "13",
        "pkgs": [
          {"reference": "apache2"},
          {"reference": "apache2-bin"},
          {"reference": "apache2-data"},
          {"reference": "apache2-dev"},
          {"reference": "apache2-doc"},
          {"reference": "apache2-ssl-dev"},
          {"reference": "apache2-suexec-custom"},
          {"reference": "apache2-suexec-pristine"},
          {"reference": "apache2-utils"}
        ]
      }
    ]
  },
  "Debian Linux-14": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14",
        "pkgs": [
          {"reference": "apache2"},
          {"reference": "apache2-bin"},
          {"reference": "apache2-data"},
          {"reference": "apache2-dev"},
          {"reference": "apache2-doc"},
          {"reference": "apache2-ssl-dev"},
          {"reference": "apache2-suexec-custom"},
          {"reference": "apache2-suexec-pristine"},
          {"reference": "apache2-utils"}
        ]
      }
    ]
  }
};

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_NOTE,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}