code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(68909);
script_version("1.6");
script_cvs_date("Date: 2018/07/12 19:01:15");
script_cve_id("CVE-2013-4686");
script_bugtraq_id(61126);
script_name(english:"Juniper Junos proxy-arp/arp-resp DoS (JSA10576)");
script_summary(english:"Checks version and build date");
script_set_attribute(
attribute:"synopsis",
value:"The remote device is missing a vendor-supplied security patch."
);
script_set_attribute(
attribute:"description",
value:
"According to its self-reported version number, the remote Junos device
has a denial of service vulnerability. Specially crafted ARP requests
can result in a crash when a 'family inet' interface is configured as
follows :
- Uses a VLAN interface with an unnumbered address
based on lo0
- lo0 is configured with a non-/32 address
- Both 'proxy-arp unrestricted' and 'arp-resp unrestricted'
are enabled"
);
script_set_attribute(attribute:"see_also", value:"https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10576");
script_set_attribute(
attribute:"solution",
value:
"Apply the relevant Junos upgrade referenced in Juniper advisory
JSA10576."
);
script_set_cvss_base_vector("CVSS2#AV:A/AC:M/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:"2013/07/10");
script_set_attribute(attribute:"patch_publication_date", value:"2013/07/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2013/07/16");
script_set_attribute(attribute:"plugin_type", value:"combined");
script_set_attribute(attribute:"cpe", value:"cpe:/o:juniper:junos");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Junos Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2013-2018 Tenable Network Security, Inc.");
script_dependencies("junos_version.nasl");
script_require_keys("Host/Juniper/JUNOS/Version", "Host/Juniper/JUNOS/BuildDate");
exit(0);
}
include("audit.inc");
include("junos.inc");
include("misc_func.inc");
ver = get_kb_item_or_exit('Host/Juniper/JUNOS/Version');
build_date = get_kb_item_or_exit('Host/Juniper/JUNOS/BuildDate');
if (compare_build_dates(build_date, '2013-06-09') >= 0)
audit(AUDIT_INST_VER_NOT_VULN, 'Junos', ver + ' (build date ' + build_date + ')');
fixes['10.4'] = '10.4R14';
fixes['11.4'] = '11.4R8';
fixes['11.4X'] = '11.4X27.43';
fixes['12.1X44'] = '12.1X44-D20';
fixes['12.1'] = '12.1R6';
fixes['12.2'] = '12.2R4';
fixes['12.3'] = '12.3R2';
fix = check_junos(ver:ver, fixes:fixes, exit_on_fail:TRUE);
if (report_verbosity > 0)
{
report = get_report(ver:ver, fix:fix);
security_warning(port:0, extra:report);
}
else security_warning(0);
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