Novell eDirectory DoS Vulnerability (Nov 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:netiq:edirectory";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.100340");
  script_version("2024-09-16T09:36:54+0000");
  script_tag(name:"last_modification", value:"2024-09-16 09:36:54 +0000 (Mon, 16 Sep 2024)");
  script_tag(name:"creation_date", value:"2009-11-09 11:17:02 +0100 (Mon, 09 Nov 2009)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");

  script_cve_id("CVE-2009-3862");

  script_tag(name:"qod_type", value:"remote_banner");

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

  script_name("Novell eDirectory DoS Vulnerability (Nov 2009)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_netiq_edirectory_ldap_detect.nasl");
  script_mandatory_keys("netiq/edirectory/detected");

  script_tag(name:"summary", value:"Novell eDirectory is prone to a denial of service (DoS)
  vulnerability.");

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

  script_tag(name:"impact", value:"Remote attackers can exploit this issue to cause the server to
  become unresponsive, denying service to legitimate users.");

  script_tag(name:"affected", value:"Novell eDirectory prior to version 8.8.5 ftf1 or 8.7.3.10
  ftf2.");

  script_tag(name:"solution", value:"Please see the referenced vendor advisory for a solution.");

  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36902");
  script_xref(name:"URL", value:"http://www.novell.com/support/viewContent.do?externalId=7004721");
  script_xref(name:"URL", value:"http://www.zerodayinitiative.com/advisories/ZDI-09-075/");

  exit(0);
}

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

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

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

if( ! sp = get_kb_item( "netiq/edirectory/" + port + "/sp" ) )
  sp = "0";

revision = get_kb_item( "netiq/edirectory/" + port + "/build" );
revision = str_replace( string:revision, find:".", replace:"" );

instver = major;

if( sp > 0 )
  instver += " SP" + sp;

if( major == "8.8" ) {
  if( sp && sp > 0 ) {
    if( sp == 5 ) {
      if( revision && revision < 2050100 ) {
        vuln = TRUE;
      }
    } else {
      if( sp < 5 ) {
        vuln = TRUE;
      }
    }
  } else {
    vuln = TRUE;
  }
} else if( major =~ "^8\.7\.3" ) {
  m = major - "8.7.3";

  if(m =~ "^\.[0-9]+")
    m -= ".";

  if( strlen( m ) > 0 ) {
    m = int(m);

    if( m && m < 10 )
      vuln = TRUE;

    if( m && m == 10 ) {
      if( ! sp && ! revision ) {
        vuln = TRUE;
      }
    }
  } else {
      vuln = TRUE;
  }
} else if( major == "8.8.1" ) {
  vuln = TRUE;
} else if( major == "8.8.2" ) {
  if( ! revision && ! sp ) {
    vuln = TRUE;
  }
} else if( major =~ "^[0-7]\." ) {
  vuln = TRUE;
}

if( vuln ) {
  report = report_fixed_ver( installed_version:instver, fixed_version:"See advisory" );
  security_message( port:port, data:report );
  exit(0);
}

exit(99);