8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
9 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
0.779 High
EPSS
Percentile
98.2%
Asterisk is prone to multiple vulnerabilities.
# SPDX-FileCopyrightText: 2019 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:/a:digium:asterisk";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.143163");
script_version("2023-12-19T05:05:25+0000");
script_tag(name:"last_modification", value:"2023-12-19 05:05:25 +0000 (Tue, 19 Dec 2023)");
script_tag(name:"creation_date", value:"2019-11-22 03:15:57 +0000 (Fri, 22 Nov 2019)");
script_tag(name:"cvss_base", value:"9.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-12-04 14:46:00 +0000 (Wed, 04 Dec 2019)");
script_cve_id("CVE-2019-18790", "CVE-2019-18610");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Asterisk Multiple Vulnerabilities (AST-2019-006, AST-2019-007)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2019 Greenbone AG");
script_family("General");
script_dependencies("gb_digium_asterisk_sip_detect.nasl");
script_mandatory_keys("digium/asterisk/detected");
script_tag(name:"summary", value:"Asterisk is prone to multiple vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Asterisk is prone to multiple vulnerabilities:
- AMI user could execute system commands (CVE-2019-18610)
- SIP request can change address of a SIP peer (CVE-2019-18790)");
script_tag(name:"affected", value:"Asterisk Open Source 13.x, 16.x, 17.x and 13.21 Certified
Asterisk.");
script_tag(name:"solution", value:"Update to version 13.29.2, 16.6.2, 17.0.1, 13.21-cert5 or
later.");
script_xref(name:"URL", value:"https://downloads.asterisk.org/pub/security/AST-2019-006.html");
script_xref(name:"URL", value:"https://downloads.asterisk.org/pub/security/AST-2019-007.html");
exit(0);
}
include("host_details.inc");
include("revisions-lib.inc");
include("version_func.inc");
if (!port = get_app_port(cpe: CPE))
exit(0);
if (!version = get_app_version(cpe: CPE, port: port))
exit(0);
if (version =~ "^13\.") {
if (version =~ "^13\.21cert") {
if (revcomp(a: version, b: "13.21cert5") < 0) {
report = report_fixed_ver(installed_version: version, fixed_version: "13.21-cert5");
security_message(port: port, data: report, proto: "udp");
exit(0);
}
}
else {
if (version_is_less(version: version, test_version: "13.29.2")) {
report = report_fixed_ver(installed_version: version, fixed_version: "13.29.2");
security_message(port: port, data: report, proto: "udp");
exit(0);
}
}
}
if (version =~ "^16\.") {
if (version_is_less(version: version, test_version: "16.6.2")) {
report = report_fixed_ver(installed_version: version, fixed_version: "16.6.2");
security_message(port: port, data: report, proto: "udp");
exit(0);
}
}
if (version =~ "^17\.") {
if (version_is_less(version: version, test_version: "17.0.1")) {
report = report_fixed_ver(installed_version: version, fixed_version: "17.0.1");
security_message(port: port, data: report, proto: "udp");
exit(0);
}
}
exit(99);
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
High
9 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
0.779 High
EPSS
Percentile
98.2%