| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(76279);
script_version("1.3");
script_cvs_date("Date: 2018/07/27 18:38:14");
script_cve_id("CVE-2014-3813");
script_bugtraq_id(68189);
script_xref(name:"IAVB", value:"2014-B-0082");
script_name(english:"Juniper ScreenOS 6.3 < 6.3.0r17 DNS Lookup DoS");
script_summary(english:"Checks version of ScreenOS.");
script_set_attribute(attribute:"synopsis", value:"The remote host is affected by a denial of service vulnerability.");
script_set_attribute(attribute:"description", value:
"The remote host is running a version of Juniper ScreenOS 6.3 prior to
6.3.0r17. It is, therefore, affected by a denial of service
vulnerability.
A denial of service flaw exists in the built-in DNS lookup client. The
flaw could allow a remote attacker to cause the device to crash or
reboot, and repeated exploitation can result in an extended denial of
service condition.");
script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10631");
script_set_attribute(attribute:"solution", value:"Upgrade to 6.3.0r17 or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2014/06/11");
script_set_attribute(attribute:"patch_publication_date", value:"2014/06/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/06/27");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:juniper:screenos");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Firewalls");
script_copyright(english:"This script is Copyright (C) 2014-2018 Tenable Network Security, Inc.");
script_dependencies("screenos_version.nbin");
script_require_keys("Host/Juniper/ScreenOS/display_version", "Host/Juniper/ScreenOS/version");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
app_name = "Juniper ScreenOS";
display_version = get_kb_item_or_exit("Host/Juniper/ScreenOS/display_version");
version = get_kb_item_or_exit("Host/Juniper/ScreenOS/version");
display_fix = "6.3.0r17";
fix = str_replace(string:display_fix, find:'r', replace:'.');
# Only treat 6.3 as affected.
if (version =~ "^6\.3\." && ver_compare(ver:version, fix:fix, strict:FALSE) == -1)
{
port = 0;
if (report_verbosity > 0)
{
report =
'\n Installed version : ' + display_version +
'\n Fixed version : ' + display_fix +
'\n';
security_hole(extra:report, port:port);
}
else security_hole(port);
exit(0);
}
else audit(AUDIT_INST_VER_NOT_VULN, app_name, display_version);
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