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Ubuntu Update for curl USN-2058-1

🗓️ 23 Dec 2013 00:00:00Reported by Copyright (C) 2013 Greenbone Networks GmbHType 
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Ubuntu Update for curl USN-2058-1. Libcurl incorrectly verified CN and SAN name fields when digital signature verification was disabled in the GnuTLS backend, allowing man-in-the-middle attack

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Code
###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_ubuntu_USN_2058_1.nasl 8494 2018-01-23 06:57:55Z teissa $
#
# Ubuntu Update for curl USN-2058-1
#
# Authors:
# System Generated Check
#
# Copyright:
# Copyright (C) 2013 Greenbone Networks GmbH, http://www.greenbone.net
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

include("revisions-lib.inc");

if(description)
{
  script_id(841665);
  script_version("$Revision: 8494 $");
  script_tag(name:"last_modification", value:"$Date: 2018-01-23 07:57:55 +0100 (Tue, 23 Jan 2018) $");
  script_tag(name:"creation_date", value:"2013-12-23 13:27:39 +0530 (Mon, 23 Dec 2013)");
  script_cve_id("CVE-2013-6422");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:H/Au:N/C:P/I:P/A:N");
  script_name("Ubuntu Update for curl USN-2058-1");

  tag_insight = "Marc Deslauriers discovered that libcurl incorrectly verified
CN and SAN name fields when digital signature verification was disabled in the
GnuTLS backend. When libcurl is being used in this uncommon way by specific
applications, an attacker could exploit this to perform a man in the middle
attack to view sensitive information or alter encrypted communications.";

  tag_affected = "curl on Ubuntu 13.10 ,
  Ubuntu 13.04 ,
  Ubuntu 12.10 ,
  Ubuntu 12.04 LTS";

  tag_solution = "Please Install the Updated Packages.";


  script_tag(name : "affected" , value : tag_affected);
  script_tag(name : "insight" , value : tag_insight);
  script_tag(name : "solution" , value : tag_solution);
  script_tag(name:"qod_type", value:"package");
  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name: "USN", value: "2058-1");
  script_xref(name: "URL" , value: "http://www.ubuntu.com/usn/usn-2058-1/");
  script_tag(name: "summary" , value: "Check for the Version of curl");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2013 Greenbone Networks GmbH");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages");
  exit(0);
}


include("pkg-lib-deb.inc");

release = get_kb_item("ssh/login/release");

res = "";
if(release == NULL){
  exit(0);
}

if(release == "UBUNTU12.10")
{

  if ((res = isdpkgvuln(pkg:"libcurl3-gnutls", ver:"7.27.0-1ubuntu1.7", rls:"UBUNTU12.10")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}


if(release == "UBUNTU12.04 LTS")
{

  if ((res = isdpkgvuln(pkg:"libcurl3-gnutls", ver:"7.22.0-3ubuntu4.6", rls:"UBUNTU12.04 LTS")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}


if(release == "UBUNTU13.10")
{

  if ((res = isdpkgvuln(pkg:"libcurl3-gnutls:i386", ver:"7.32.0-1ubuntu1.2", rls:"UBUNTU13.10")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}


if(release == "UBUNTU13.04")
{

  if ((res = isdpkgvuln(pkg:"libcurl3-gnutls:i386", ver:"7.29.0-1ubuntu3.4", rls:"UBUNTU13.04")) != NULL)
  {
    security_message(data:res);
    exit(0);
  }

  if (__pkg_match) exit(99); # Not vulnerable.
  exit(0);
}

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