Vulnerabilities > CVE-2016-2217 - Key Management Errors vulnerability in Dest-Unreach Socat 1.7.3.0/2.0.0

047910
CVSS 5.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
NONE
Availability impact
NONE
network
low complexity
dest-unreach
CWE-320
nessus

Summary

The OpenSSL address implementation in Socat 1.7.3.0 and 2.0.0-b8 does not use a prime number for the DH, which makes it easier for remote attackers to obtain the shared secret.

Vulnerable Configurations

Part Description Count
Application
Dest-Unreach
2

Common Weakness Enumeration (CWE)

Nessus

NASL familyGentoo Local Security Checks
NASL idGENTOO_GLSA-201612-23.NASL
descriptionThe remote host is affected by the vulnerability described in GLSA-201612-23 (socat: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in socat. Please review the references below for details. Impact : A remote attacker could possibly execute arbitrary code with the privileges of the process, or obtain confidential information. Workaround : There is no known workaround at this time.
last seen2020-06-01
modified2020-06-02
plugin id95639
published2016-12-08
reporterThis script is Copyright (C) 2016-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/95639
titleGLSA-201612-23 : socat: Multiple vulnerabilities
code
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 201612-23.
#
# The advisory text is Copyright (C) 2001-2018 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

include("compat.inc");

if (description)
{
  script_id(95639);
  script_version("$Revision: 2.3 $");
  script_cvs_date("$Date: 2018/01/26 17:15:57 $");

  script_cve_id("CVE-2016-2217");
  script_xref(name:"GLSA", value:"201612-23");

  script_name(english:"GLSA-201612-23 : socat: Multiple vulnerabilities");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-201612-23
(socat: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in socat. Please review
      the references below for details.
  
Impact :

    A remote attacker could possibly execute arbitrary code with the
      privileges of the process, or obtain confidential information.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.dest-unreach.org/socat/contrib/socat-secadv7.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.dest-unreach.org/socat/contrib/socat-secadv8.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/201612-23"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All socat users should upgrade to the latest version:
      # emerge --sync
      # emerge --ask --oneshot --verbose '>=net-misc/socat-1.7.3.1'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:socat");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/12/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/08");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2018 Tenable Network Security, Inc.");
  script_family(english:"Gentoo Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"net-misc/socat", unaffected:make_list("ge 1.7.3.1"), vulnerable:make_list("lt 1.7.3.1"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:qpkg_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "socat");
}