OpenSSL 1.0.0 < 1.0.0l DTLS Security Bypass

2014-01-08T00:00:00
ID OPENSSL_1_0_0L.NASL
Type nessus
Reporter This script is Copyright (C) 2014-2018 Tenable Network Security, Inc.
Modified 2020-02-02T00:00:00

Description

According to its banner, the remote web server is running a version of OpenSSL 1.0.0 prior to 1.0.0l. The OpenSSL library is, therefore, reportedly affected by a security bypass vulnerability related to handling DTLS processes.

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

include("compat.inc");

if (description)
{
  script_id(71856);
  script_version("1.6");
  script_cvs_date("Date: 2018/11/15 20:50:25");

  script_cve_id("CVE-2013-6450");
  script_bugtraq_id(64618);

  script_name(english:"OpenSSL 1.0.0 < 1.0.0l DTLS Security Bypass");
  script_summary(english:"Does a banner check");

  script_set_attribute(attribute:"synopsis", value:
"The remote host may be affected by a security bypass vulnerability."
  );
  script_set_attribute(
    attribute:"description",
    value:
"According to its banner, the remote web server is running a version
of OpenSSL 1.0.0 prior to 1.0.0l.  The OpenSSL library is, therefore,
reportedly affected by a security bypass vulnerability related to
handling DTLS processes."
  );
  # Release announce
  script_set_attribute(attribute:"see_also", value:"https://www.mail-archive.com/openssl-announce@openssl.org/msg00129.html");
  # CVE-2013-6450 git commit
  # https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=2d64b51d20375dbf52ca9cd45b5fea9772605935
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?13c00218");
  script_set_attribute(attribute:"solution", value:"Upgrade to OpenSSL 1.0.0l or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  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:"2013/12/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/12/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/01/08");

  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) 2014-2018 Tenable Network Security, Inc.");

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

  exit(0);
}

include("openssl_version.inc");

openssl_check_version(fixed:'1.0.0l', min:"1.0.0", severity:SECURITY_WARNING);