5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
0.002 Low
EPSS
Percentile
57.0%
Junos OS is prone to a Denial of Service vulnerability with
IGMPv3 enabled.
# SPDX-FileCopyrightText: 2016 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
CPE = "cpe:/o:juniper:junos";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.106059");
script_version("2023-07-21T05:05:22+0000");
script_tag(name:"last_modification", value:"2023-07-21 05:05:22 +0000 (Fri, 21 Jul 2023)");
script_tag(name:"creation_date", value:"2016-01-18 09:17:30 +0700 (Mon, 18 Jan 2016)");
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:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2016-12-03 03:20:00 +0000 (Sat, 03 Dec 2016)");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
script_cve_id("CVE-2016-1256");
script_name("Juniper Networks Junos OS IGMPv3 Multicast DoS Vulnerability");
script_category(ACT_GATHER_INFO);
script_family("JunOS Local Security Checks");
script_copyright("Copyright (C) 2016 Greenbone AG");
script_dependencies("gb_juniper_junos_consolidation.nasl");
script_mandatory_keys("juniper/junos/detected");
script_tag(name:"summary", value:"Junos OS is prone to a Denial of Service vulnerability with
IGMPv3 enabled.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable OS build is present on the target host.");
script_tag(name:"insight", value:"Receipt of a crafted IGMPv3 protocol message can create a
denial of service to a portion of a multicast network. This issue only affects IGMPv3. IGMPv2 is
unaffected by this vulnerability.");
script_tag(name:"impact", value:"An attacker can cause a denial of service condition to a portion
of a multicast network.");
script_tag(name:"affected", value:"Junos OS 12.1, 12.3, 13.2, 13.3, 14.1, 14.2 and 15.1");
script_tag(name:"solution", value:"New builds of Junos OS software are available from Juniper. As
a workaround disable IGMPv3, falling back to IGMPv2.");
script_xref(name:"URL", value:"http://kb.juniper.net/JSA10714");
exit(0);
}
include("host_details.inc");
include("revisions-lib.inc");
if (!version = get_app_version(cpe: CPE, nofork: TRUE))
exit(0);
if (version =~ "^12") {
if ((revcomp(a: version, b: "12.1X44-D55") < 0) &&
(revcomp(a: version, b: "12.1X44") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "12.1X46-D40") < 0) &&
(revcomp(a: version, b: "12.1X46") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "12.1X47-D25") < 0) &&
(revcomp(a: version, b: "12.1X47") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "12.3R10") < 0) &&
(revcomp(a: version, b: "12.3") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "12.3X48-D20") < 0) &&
(revcomp(a: version, b: "12.3X48") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
}
if (version =~ "^13") {
if (revcomp(a: version, b: "13.2R8") < 0) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "13.2X51-D40") < 0) &&
(revcomp(a: version, b: "13.2X51") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "13.3R7") < 0) &&
(revcomp(a: version, b: "13.3") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
}
if (version =~ "^14") {
if (revcomp(a: version, b: "14.1R5") < 0) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "14.1X53-D18") < 0) &&
(revcomp(a: version, b: "14.1X53") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "14.1X55-D25") < 0) &&
(revcomp(a: version, b: "14.1X55") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "14.2R4") < 0) &&
(revcomp(a: version, b: "14.2") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
}
if (version =~ "^15") {
if (revcomp(a: version, b: "15.1R2") < 0) {
security_message(port: 0, data: version);
exit(0);
}
else if ((revcomp(a: version, b: "15.1X49-D10") < 0) &&
(revcomp(a: version, b: "15.1X49") >= 0)) {
security_message(port: 0, data: version);
exit(0);
}
}
exit(99);
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
0.002 Low
EPSS
Percentile
57.0%