PHP Cross-Site Scripting Vulnerability (Aug 2016) - Linux

# 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:php:php";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.809137");
  script_version("2024-02-08T05:05:59+0000");
  script_cve_id("CVE-2015-8935");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_tag(name:"last_modification", value:"2024-02-08 05:05:59 +0000 (Thu, 08 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2018-01-05 02:30:00 +0000 (Fri, 05 Jan 2018)");
  script_tag(name:"creation_date", value:"2016-08-17 15:28:57 +0530 (Wed, 17 Aug 2016)");
  script_name("PHP Cross-Site Scripting Vulnerability (Aug 2016) - Linux");

  script_tag(name:"summary", value:"PHP is prone to a cross-site scripting (XSS) vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw is due to  the 'sapi_header_op'
  function in 'main/SAPI.c' script supports deprecated line folding without
  considering browser compatibility.");

  script_tag(name:"impact", value:"Successfully exploiting this issue allows
  remote attackers to conduct cross-site scripting (XSS) attacks against
  Internet Explorer by leveraging '%0A%20' or '%0D%0A%20' mishandling in
  the header function.");

  script_tag(name:"affected", value:"PHP versions before 5.4.38, 5.5.x before
  5.5.22, and 5.6.x before 5.6.6 on Linux");

  script_tag(name:"solution", value:"Update to PHP version 5.4.38, or 5.5.22,
  or 5.6.6, or later.");

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

  script_xref(name:"URL", value:"https://bugs.php.net/bug.php?id=68978");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/92356");

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_dependencies("gb_php_ssh_login_detect.nasl", "gb_php_http_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("php/detected", "Host/runs_unixoide");

  exit(0);
}

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

if( isnull( phpPort = get_app_port( cpe:CPE ) ) ) exit( 0 );
if( ! phpVer = get_app_version( cpe:CPE, port:phpPort ) ) exit( 0 );

if(version_is_less(version:phpVer, test_version:"5.4.38"))
{
  fix = '5.4.38';
  VULN = TRUE;
}

else if(phpVer =~ "^5\.5")
{
  if(version_in_range(version:phpVer, test_version:"5.5.0", test_version2:"5.5.21"))
  {
    fix = '5.5.22';
    VULN = TRUE;
  }
}

else if(phpVer =~ "^5\.6")
{
  if(version_in_range(version:phpVer, test_version:"5.6.0", test_version2:"5.6.5"))
  {
    fix = '5.6.6';
    VULN = TRUE;
  }
}

if(VULN)
{
  report = report_fixed_ver(installed_version:phpVer, fixed_version:fix);
  security_message(data:report, port:phpPort);
  exit(0);
}

exit(99);