Juniper Networks Junos OS DoS Vulnerability (CVE-2004-0468)

# SPDX-FileCopyrightText: 2011 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.96209");
  script_version("2026-04-24T06:23:04+0000");
  script_tag(name:"last_modification", value:"2026-04-24 06:23:04 +0000 (Fri, 24 Apr 2026)");
  script_tag(name:"creation_date", value:"2011-07-13 11:48:37 +0200 (Wed, 13 Jul 2011)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");

  script_tag(name:"qod_type", value:"package");

  script_cve_id("CVE-2004-0468");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Juniper Networks Junos OS DoS Vulnerability (CVE-2004-0468)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2011 Greenbone AG");
  script_family("JunOS Local Security Checks");
  script_dependencies("gb_juniper_junos_consolidation.nasl");
  script_mandatory_keys("juniper/junos/detected");

  script_tag(name:"summary", value:"Memory leak in Juniper JUNOS Packet Forwarding Engine (PFE)
  allows remote attackers to cause a denial of service (DoS) via certain IPv6 packets.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"impact", value:"The flaw could allow memory exhaustion and device reboots.");

  script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");

  exit(0);
}

build = get_kb_item("juniper/junos/build");
if (!build) exit(0);

val = split(build, sep:" ", keep:FALSE);
val = split(val[0], sep:"-", keep:FALSE);

if (val[0] <= 2004) {
  if (val[1] < 6) {
    security_message(port:0);
    exit(0);
  }

  else if (val[1] = 6 && val[2] <= 19) {
    security_message(port:0);
    exit(0);
  }
}

exit(99);