4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
5.4 Medium
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
61.2%
MariaDB is prone to a security bypass vulnerability.
# 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:/a:mariadb:mariadb";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.808154");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2012-5627");
script_tag(name:"cvss_base", value:"4.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:N/A:N");
script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"creation_date", value:"2016-06-07 19:33:35 +0530 (Tue, 07 Jun 2016)");
script_name("MariaDB 'COM_CHANGE_USER' Command Insecure Salt Generation Security Bypass Vulnerability - Linux");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2016 Greenbone AG");
script_family("Databases");
script_dependencies("mysql_version.nasl", "os_detection.nasl");
script_mandatory_keys("MariaDB/installed", "Host/runs_unixoide");
script_tag(name:"summary", value:"MariaDB is prone to a security bypass vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"solution", value:"Upgrade to MariaDB version 5.2.14,
5.3.12, 5.5.29 or later.");
script_tag(name:"insight", value:"Flaw that is triggered when a remote
attacker attempts to login to a user's account via the COM_CHANGE_USER command.
This command fails to properly disconnect the attacker from the server upon a
failed login attempt.");
script_tag(name:"affected", value:"MariaDB versions 5.5.x before 5.5.29,
5.3.x before 5.3.12, and 5.2.x before 5.2.14 on Linux");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to more easily gain access to a user's account via a brute-force attack.");
script_xref(name:"URL", value:"http://secunia.com/advisories/52015");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/56837");
script_xref(name:"URL", value:"http://seclists.org/fulldisclosure/2012/Dec/58");
script_xref(name:"URL", value:"https://mariadb.atlassian.net/browse/MDEV-3915");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(!mariadbPort = get_app_port(cpe:CPE)){
exit(0);
}
mariadbVer = get_app_version(cpe:CPE, port:mariadbPort);
if(!mariadbVer || mariadbVer !~ "^5\.[235]\."){
exit(0);
}
if(version_in_range(version:mariadbVer, test_version:"5.2", test_version2:"5.2.13") ||
version_in_range(version:mariadbVer, test_version:"5.3", test_version2:"5.3.11") ||
version_in_range(version:mariadbVer, test_version:"5.5", test_version2:"5.5.28"))
{
fix = "5.2.14, or 5.3.12, or 5.5.29";
report = report_fixed_ver(installed_version:mariadbVer, fixed_version:fix);
security_message(port:mariadbPort, data:report);
exit(0);
}
exit(99);