6.4 Medium
AI Score
Confidence
Low
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.529 Medium
EPSS
Percentile
97.6%
Local SID/Name translation bug can result in user privilege elevation.
# Copyright (C) 2021 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
CPE = "cpe:/a:samba:samba";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.150724");
script_version("2021-09-29T04:35:02+0000");
script_tag(name:"last_modification", value:"2021-09-29 04:35:02 +0000 (Wed, 29 Sep 2021)");
script_tag(name:"creation_date", value:"2021-09-24 10:59:30 +0000 (Fri, 24 Sep 2021)");
script_tag(name:"cvss_base", value:"7.2");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_cve_id("CVE-2007-2444");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Samba 3.0.23d <= 3.0.25pre2 User Privilege Elevation Vulnerability (CVE-2007-2444)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
script_family("Privilege escalation");
script_dependencies("smb_nativelanman.nasl", "gb_samba_detect.nasl");
script_mandatory_keys("samba/smb_or_ssh/detected");
script_tag(name:"summary", value:"Local SID/Name translation bug can result in user privilege elevation.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"When translating SIDs to/from names using Samba local
list of user and group accounts, a logic error in the
smbd daemon's internal security stack may result in a
transition to the root user id rather than the non-root
user. The user is then able to temporarily issue SMB/CIFS
protocol operations as the root user. This window of
opportunity may allow the attacker to establish additional
means of gaining root access to the server.");
script_tag(name:"affected", value:"Samba versions 3.0.23d through 3.0.25pre2.");
script_tag(name:"solution", value:"Apply the patch mentioned in the linked reference.");
script_xref(name:"URL", value:"https://www.samba.org/samba/security/CVE-2007-2444.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(version: version, test_version: "3.0.23d", test_version2: "3.0.25pre2")) {
report = report_fixed_ver(installed_version: version, fixed_version: "Apply patch", install_path: location);
security_message(port: port, data: report);
exit(0);
}
exit(99);