GZip 'huft_build()' in 'inflate.c' Input Validation Vulnerability - Linux

# SPDX-FileCopyrightText: 2010 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:gnu:gzip";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.800453");
  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:"2010-02-04 12:53:38 +0100 (Thu, 04 Feb 2010)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_cve_id("CVE-2009-2624");
  script_name("GZip 'huft_build()' in 'inflate.c' Input Validation Vulnerability - Linux");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_gzip_detect_lin.nasl");
  script_mandatory_keys("gzip/detected");

  script_xref(name:"URL", value:"http://secunia.com/advisories/38132");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/37888");
  script_xref(name:"URL", value:"http://www.vupen.com/english/advisories/2010/0185");
  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=514711");
  script_xref(name:"URL", value:"http://git.savannah.gnu.org/cgit/gzip.git/commit/?id=39a362ae9d9b007473381dba5032f4dfc1744cf2");

  script_tag(name:"impact", value:"Successful exploitation could result in a Denial of Service (application
  crash or infinite loop) or possibly execute arbitrary code via a crafted archive.");

  script_tag(name:"affected", value:"GZip version prior to 1.3.13 on Linux.");

  script_tag(name:"insight", value:"The flaw is due to an error in 'huft_build()' function in 'inflate.c' which creates
  a hufts table that is too small.");

  script_tag(name:"summary", value:"GZip is prone to an input validation vulnerability.");

  script_tag(name:"solution", value:"Update to GZip version 1.3.13 or later.");

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

  exit(0);
}

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

if( ! infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE ) )
  exit( 0 );

location = infos["location"];
version = infos["version"];

if( version_is_less( version:version, test_version:"1.3.13" ) ) {
  report = report_fixed_ver( installed_version:version, fixed_version:"1.3.13", install_path:location );
  security_message(port: 0, data: report);
  exit( 0 );
}

exit( 99 );