MySQL Authenticated Access Restrictions Bypass Vulnerability - Linux

# SPDX-FileCopyrightText: 2009 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:mysql:mysql";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.801065");
  script_version("2024-02-15T05:05:39+0000");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2009-12-04 14:17:59 +0100 (Fri, 04 Dec 2009)");
  script_tag(name:"cvss_base", value:"6.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:P/I:P/A:P");
  script_cve_id("CVE-2008-7247");
  script_name("MySQL Authenticated Access Restrictions Bypass Vulnerability - Linux");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Denial of Service");
  script_tag(name:"qod_type", value:"remote_banner_unreliable");
  script_dependencies("mysql_version.nasl");
  script_mandatory_keys("MySQL/installed");

  script_tag(name:"impact", value:"Successful exploitation could allow users to bypass intended access restrictions
  by calling CREATE TABLE with  DATA DIRECTORY or INDEX DIRECTORY argument referring to a subdirectory.");

  script_tag(name:"affected", value:"MySQL 5.0.x before 5.0.88, 5.1.x before 5.1.41, 6.0 before 6.0.9-alpha.");

  script_tag(name:"insight", value:"The flaw is due to an error in 'sql/sql_table.cc', when the data home directory
  contains a symlink to a different filesystem.");

  script_tag(name:"solution", value:"Upgrade to MySQL version 5.0.88 or 5.1.41 or 6.0.9-alpha.");

  script_tag(name:"summary", value:"MySQL is prone to Access Restrictions Bypass Vulnerability.");

  script_tag(name:"solution_type", value:"VendorFix");

  script_xref(name:"URL", value:"http://lists.mysql.com/commits/59711");
  script_xref(name:"URL", value:"http://bugs.mysql.com/bug.php?id=39277");
  script_xref(name:"URL", value:"http://marc.info/?l=oss-security&m=125908040022018&w=2");

  exit(0);
}

include("version_func.inc");
include("host_details.inc");

if(!sqlPort = get_app_port(cpe:CPE))
  exit(0);

if(!mysqlVer = get_app_version(cpe:CPE, port:sqlPort))
  exit(0);

mysqlVer = eregmatch(pattern:"([0-9.a-z]+)", string:mysqlVer);
if(!mysqlVer[1])
  exit(0);

if(version_in_range(version:mysqlVer[1], test_version:"5.0",test_version2:"5.0.87") ||
   version_in_range(version:mysqlVer[1], test_version:"5.1",test_version2:"5.1.40")){
  report = report_fixed_ver(installed_version:mysqlVer[1], fixed_version:"5.0.88/5.1.41");
  security_message(port:sqlPort, data:report);
  exit(0);
}

else if(mysqlVer[1] =~ "^6\.")
{
  if(version_is_less(version:mysqlVer[1],test_version:"6.0.9a")){
    report = report_fixed_ver(installed_version:mysqlVer[1], fixed_version:"6.0.9a");
    security_message(port:sqlPort, data:report);
    exit(0);
  }
}

exit(99);