OpenSSL < 0.9.6k Denial of Service

2012-01-04T00:00:00
ID OPENSSL_0_9_6K.NASL
Type nessus
Reporter This script is Copyright (C) 2012-2018 Tenable Network Security, Inc.
Modified 2021-01-02T00:00:00

Description

According to its banner, the remote server is running a version of OpenSSL that is earlier than 0.9.6k.

A remote attacker can trigger a denial of service by using an invalid client certificate.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(17748);
  script_version("1.12");
  script_cvs_date("Date: 2018/07/16 14:09:14");

  script_cve_id("CVE-2003-0543", "CVE-2003-0544");
  script_bugtraq_id(8732);
  script_xref(name:"CERT-CC", value:"CA-2003-26");
  script_xref(name:"CERT", value:"255484");
  script_xref(name:"CERT", value:"380864");

  script_name(english:"OpenSSL < 0.9.6k 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 0.9.6k. 

A remote attacker can trigger a denial of service by using an invalid
client certificate.");
  script_set_attribute(attribute:"solution", value:"Upgrade to OpenSSL 0.9.6k 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:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2003/09/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2003/09/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/01/04");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:openssl:openssl");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Web Servers");

  script_copyright(english:"This script is Copyright (C) 2012-2018 Tenable Network Security, Inc.");

  script_dependencies("openssl_version.nasl");
  script_require_keys("openssl/port");

  exit(0);
}

include("openssl_version.inc");

openssl_check_version(fixed:'0.9.6k', severity:SECURITY_WARNING);