According to its banner, the remote server is running a version of OpenSSL that is earlier than 0.9.6f.
A remote attacker can trigger a denial of service by sending a specially crafted SSLv2 CLIENT_MASTER_KEY message.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(17747);
script_version("1.11");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/22");
script_cve_id("CVE-2002-1568");
script_bugtraq_id(8746);
script_xref(name:"RHSA", value:"2003:291");
script_name(english:"OpenSSL < 0.9.6f Denial of Service");
script_summary(english:"Does a banner check");
script_set_attribute(attribute:"synopsis", value:
"The remote server is vulnerable to a denial of service attack.");
script_set_attribute(attribute:"description", value:
"According to its banner, the remote server is running a version of
OpenSSL that is earlier than 0.9.6f.
A remote attacker can trigger a denial of service by sending a
specially crafted SSLv2 CLIENT_MASTER_KEY message.");
script_set_attribute(attribute:"see_also", value:"http://cvs.openssl.org/chngview?cn=7659");
script_set_attribute(attribute:"see_also", value:"https://www.securityfocus.com/archive/1/339948");
script_set_attribute(attribute:"solution", value:"Upgrade to OpenSSL 0.9.6f or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2002-1568");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2003/10/02");
script_set_attribute(attribute:"patch_publication_date", value:"2002/08/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2012/01/04");
script_set_attribute(attribute:"plugin_type", value:"combined");
script_set_attribute(attribute:"cpe", value:"cpe:/a:openssl:openssl");
script_set_attribute(attribute:"agent", value:"all");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Web Servers");
script_copyright(english:"This script is Copyright (C) 2012-2023 Tenable Network Security, Inc.");
script_dependencies("openssl_version.nasl", "openssl_nix_installed.nbin", "openssl_win_installed.nbin");
script_require_keys("installed_sw/OpenSSL");
exit(0);
}
include('vcf.inc');
include('vcf_extras_openssl.inc');
var app_info = vcf::combined_get_app_info(app:'OpenSSL');
vcf::check_all_backporting(app_info:app_info);
var constraints = [{ 'min_version' : '0.0.0', 'fixed_version' : '0.9.6f'}];
vcf::openssl::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);