9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
61.9%
Samba is prone to multiple vulnerabilities.
# SPDX-FileCopyrightText: 2023 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:samba:samba";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.104959");
script_version("2023-11-16T05:05:14+0000");
script_tag(name:"last_modification", value:"2023-11-16 05:05:14 +0000 (Thu, 16 Nov 2023)");
script_tag(name:"creation_date", value:"2023-10-11 10:01:35 +0000 (Wed, 11 Oct 2023)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2023-11-13 18:48:00 +0000 (Mon, 13 Nov 2023)");
script_cve_id("CVE-2023-3961", "CVE-2023-42670");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Samba 4.16.0 < 4.17.12, 4.18.0 < 4.18.8, 4.19.0 Multiple Vulnerabilities");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2023 Greenbone AG");
script_family("General");
script_dependencies("smb_nativelanman.nasl", "gb_samba_detect.nasl");
script_mandatory_keys("samba/smb_or_ssh/detected");
script_tag(name:"summary", value:"Samba 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:"The following flaws exist:
- CVE-2023-3961: smbd allows client access to unix domain sockets on the file system
- CVE-2023-42670: Samba AD DC Busy RPC multiple listener DoS");
script_tag(name:"affected", value:"All versions of Samba since 4.16.0.");
script_tag(name:"solution", value:"Update to version 4.17.12, 4.18.8, 4.19.1 or later.");
script_xref(name:"URL", value:"https://lists.samba.org/archive/samba-announce/2023/000651.html");
script_xref(name:"URL", value:"https://www.samba.org/samba/security/CVE-2023-3961.html");
script_xref(name:"URL", value:"https://www.samba.org/samba/security/CVE-2023-42670.html");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if (isnull(port = get_app_port(cpe: CPE)))
exit(0);
if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
exit(0);
version = infos["version"];
location = infos["location"];
if (version_in_range_exclusive(version: version, test_version_lo: "4.16.0", test_version_up: "4.17.12")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.17.12 / 4.18.8 / 4.19.1", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_in_range_exclusive(version: version, test_version_lo: "4.18.0", test_version_up: "4.18.8")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.18.8 / 4.19.1", install_path: location);
security_message(port: port, data: report);
exit(0);
}
if (version_is_equal(version: version, test_version: "4.19.0")) {
report = report_fixed_ver(installed_version: version, fixed_version: "4.19.1", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
61.9%