Squid ICAP Adaptation DoS Vulnerability (Mar 2009)

# 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:squid-cache:squid";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100084");
  script_version("2025-04-11T05:40:28+0000");
  script_tag(name:"last_modification", value:"2025-04-11 05:40:28 +0000 (Fri, 11 Apr 2025)");
  script_tag(name:"creation_date", value:"2009-03-28 19:13:00 +0100 (Sat, 28 Mar 2009)");
  script_tag(name:"cvss_base", value:"2.6");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:N/I:N/A:P");
  script_name("Squid ICAP Adaptation DoS Vulnerability (Mar 2009)");
  script_category(ACT_GATHER_INFO);
  script_family("Denial of Service");
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_dependencies("gb_squid_http_detect.nasl");
  script_mandatory_keys("squid/detected");

  script_xref(name:"URL", value:"https://web.archive.org/web/20210130021156http://www.securityfocus.com/bid/34277");

  script_tag(name:"summary", value:"Squid is prone to a remote denial of service (DoS) vulnerability
  because the proxy server fails to adequately bounds-check user-supplied data before copying it to
  an insufficiently sized buffer.");

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

  script_tag(name:"impact", value:"Successfully exploiting this issue allows remote attackers to
  consume excessive memory, resulting in a denial-of-service condition.

  Note that to exploit this issue, an attacker must be a legitimate client user of the proxy.");

  script_tag(name:"affected", value:"The Squid 3.x branch is vulnerable.");

  script_tag(name:"solution", value:"Update to newer version if available.");

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

  exit(0);
}

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

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

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

if( version_in_range( version:vers, test_version:"3", test_version2:"3.1.5" ) ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:"3.1.6" );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );